20155525326 has 20 divisors (see below), whose sum is σ = 45163307112. Its totient is φ = 6718508388.

The previous prime is 20155525303. The next prime is 20155525331. The reversal of 20155525326 is 62352555102.

20155525326 is a `hidden beast` number, since 20 + 1 + 55 + 52 + 532 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62208250 + ... + 62208573.

Almost surely, 2^20155525326 is an apocalyptic number.

20155525326 is an abundant number, since it is smaller than the sum of its proper divisors (25007781786).

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

20155525326 is a wasteful number, since it uses less digits than its factorization.

20155525326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124416837 (or 124416828 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 20155525326 in words is "twenty billion, one hundred fifty-five million, five hundred twenty-five thousand, three hundred twenty-six".