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20041025252 = 2223347627773
BaseRepresentation
bin10010101010100010…
…011100011011100100
31220201200201120022112
4102222202130123210
5312021000302002
613112352420152
71306430622023
oct225242343344
956650646275
1020041025252
1185546aa996
123a73847658
131b75040031
14d819248ba
157c4671852
hex4aa89c6e4

20041025252 has 24 divisors (see below), whose sum is σ = 36702179136. Its totient is φ = 9557200928.

The previous prime is 20041025243. The next prime is 20041025281. The reversal of 20041025252 is 25252014002.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281963 + ... + 345810.

It is an arithmetic number, because the mean of its divisors is an integer number (1529257464).

Almost surely, 220041025252 is an apocalyptic number.

It is an amenable number.

20041025252 is a deficient number, since it is larger than the sum of its proper divisors (16661153884).

20041025252 is a wasteful number, since it uses less digits than its factorization.

20041025252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628147 (or 628145 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

Adding to 20041025252 its reverse (25252014002), we get a palindrome (45293039254).

The spelling of 20041025252 in words is "twenty billion, forty-one million, twenty-five thousand, two hundred fifty-two".

Divisors: 1 2 4 23 46 92 347 694 1388 7981 15962 31924 627773 1255546 2511092 14438779 28877558 57755116 217837231 435674462 871348924 5010256313 10020512626 20041025252