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20433222030 = 23513431737043
BaseRepresentation
bin10011000001111010…
…100011100110001110
31221202000201020011010
4103001322203212032
5313321401101110
613215322510050
71322232343614
oct230172434616
957660636133
1020433222030
118736026161
123b63065326
131c0837b930
14dbba576b4
157e8ce3020
hex4c1ea398e

20433222030 has 128 divisors (see below), whose sum is σ = 54360294912. Its totient is φ = 4883655168.

The previous prime is 20433221999. The next prime is 20433222031. The reversal of 20433222030 is 3022233402.

It is a junction number, because it is equal to n+sod(n) for n = 20433221988 and 20433222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2897689 + ... + 2904731.

It is an arithmetic number, because the mean of its divisors is an integer number (424689804).

Almost surely, 220433222030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20433222030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27180147456).

20433222030 is an abundant number, since it is smaller than the sum of its proper divisors (33927072882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20433222030 is a wasteful number, since it uses less digits than its factorization.

20433222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20433222030 its reverse (3022233402), we get a palindrome (23455455432).

The spelling of 20433222030 in words is "twenty billion, four hundred thirty-three million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 43 65 78 86 129 130 173 195 215 258 346 390 430 519 559 645 865 1038 1118 1290 1677 1730 2249 2595 2795 3354 4498 5190 5590 6747 7043 7439 8385 11245 13494 14086 14878 16770 21129 22317 22490 33735 35215 37195 42258 44634 67470 70430 74390 91559 96707 105645 111585 183118 193414 211290 223170 274677 290121 302849 457795 483535 549354 580242 605698 908547 915590 967070 1218439 1373385 1450605 1514245 1817094 2436878 2746770 2901210 3028490 3655317 3937037 4542735 6092195 7310634 7874074 9085470 11811111 12184390 15839707 18276585 19685185 23622222 31679414 36553170 39370370 47519121 52392877 59055555 79198535 95038242 104785754 118111110 157178631 158397070 237595605 261964385 314357262 475191210 523928770 681107401 785893155 1362214802 1571786310 2043322203 3405537005 4086644406 6811074010 10216611015 20433222030