Search a number
-
+
20030322222 = 2331013672593
BaseRepresentation
bin10010101001111001…
…100111011000101110
31220200221120210112000
4102221321213120232
5312010230302342
613111331153130
71306240633611
oct225171473056
956627523460
1020030322222
11854965a609
123a701457a6
131b72a63491
14d8033a178
157c375a44c
hex4a9e6762e

20030322222 has 32 divisors (see below), whose sum is σ = 44952550560. Its totient is φ = 6610665600.

The previous prime is 20030322217. The next prime is 20030322239. The reversal of 20030322222 is 22222303002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20030322195 and 20030322204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830843 + ... + 1841750.

It is an arithmetic number, because the mean of its divisors is an integer number (1404767205).

Almost surely, 220030322222 is an apocalyptic number.

20030322222 is an abundant number, since it is smaller than the sum of its proper divisors (24922228338).

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

20030322222 is a wasteful number, since it uses less digits than its factorization.

20030322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672705 (or 3672699 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 20030322222 its reverse (22222303002), we get a palindrome (42252625224).

The spelling of 20030322222 in words is "twenty billion, thirty million, three hundred twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 101 202 303 606 909 1818 2727 5454 3672593 7345186 11017779 22035558 33053337 66106674 99160011 198320022 370931893 741863786 1112795679 2225591358 3338387037 6676774074 10015161111 20030322222