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20201021032 = 234875185067
BaseRepresentation
bin10010110100000100…
…110001111001101000
31221010211210012021011
4102310010301321220
5312332430133112
613140305553304
71313412563023
oct226404617150
957124705234
1020201021032
118626a4a105
123ab9345834
131b9c22b8aa
14d98c921ba
157d3727aa7
hex4b4131e68

20201021032 has 16 divisors (see below), whose sum is σ = 37954697760. Its totient is φ = 10079768304.

The previous prime is 20201021021. The next prime is 20201021039. The reversal of 20201021032 is 23012010202.

It is not an unprimeable number, because it can be changed into a prime (20201021039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2588638 + ... + 2596429.

It is an arithmetic number, because the mean of its divisors is an integer number (2372168610).

Almost surely, 220201021032 is an apocalyptic number.

It is an amenable number.

20201021032 is a deficient number, since it is larger than the sum of its proper divisors (17753676728).

20201021032 is a wasteful number, since it uses less digits than its factorization.

20201021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5185560 (or 5185556 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20201021032 its reverse (23012010202), we get a palindrome (43213031234).

The spelling of 20201021032 in words is "twenty billion, two hundred one million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 487 974 1948 3896 5185067 10370134 20740268 41480536 2525127629 5050255258 10100510516 20201021032