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20012210030032 = 2411172393445463
BaseRepresentation
bin1001000110011011101001…
…01010111000010111010000
32121212011000022210022001021
410203031310222320113100
510110340001231430112
6110321252105245224
74133556135406033
oct443156452702720
977764008708037
1020012210030032
116416148932350
1222b2600793814
13b221b2b04c8c
144d284bb0d01a
1524a86bc92907
hex123374ab85d0

20012210030032 has 60 divisors (see below), whose sum is σ = 44933045770656. Its totient is φ = 8561373253120.

The previous prime is 20012210030009. The next prime is 20012210030081. The reversal of 20012210030032 is 23003001221002.

It is a super-2 number, since 2×200122100300322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 20012210029988 and 20012210030015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196671868 + ... + 196773595.

Almost surely, 220012210030032 is an apocalyptic number.

20012210030032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20012210030032 is an abundant number, since it is smaller than the sum of its proper divisors (24920835740624).

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

20012210030032 is a wasteful number, since it uses less digits than its factorization.

20012210030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393445516 (or 393445493 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20012210030032 its reverse (23003001221002), we get a palindrome (43015211251034).

The spelling of 20012210030032 in words is "twenty trillion, twelve billion, two hundred ten million, thirty thousand, thirty-two".

Divisors: 1 2 4 8 11 16 17 22 34 44 68 88 136 176 187 272 289 374 578 748 1156 1496 2312 2992 3179 4624 6358 12716 25432 50864 393445463 786890926 1573781852 3147563704 4327900093 6295127408 6688572871 8655800186 13377145742 17311600372 26754291484 34623200744 53508582968 69246401488 73574301581 107017165936 113705738807 147148603162 227411477614 294297206324 454822955228 588594412648 909645910456 1177188825296 1250763126877 1819291820912 2501526253754 5003052507508 10006105015016 20012210030032