20953865529752 has 32 divisors (see below), whose sum is σ = 39385224270000. Its totient is φ = 10451142818688.

The previous prime is 20953865529673. The next prime is 20953865529797. The reversal of 20953865529752 is 25792556835902.

It is a congruent number.

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, 45724574 + ... + 46180562.

Almost surely, 2^{20953865529752} is an apocalyptic number.

It is an amenable number.

20953865529752 is a deficient number, since it is larger than the sum of its proper divisors (18431358740248).

20953865529752 is a wasteful number, since it uses less digits than its factorization.

20953865529752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470123 (or 470119 counting only the distinct ones).

The product of its (nonzero) digits is 408240000, while the sum is 68.

The spelling of 20953865529752 in words is "twenty trillion, nine hundred fifty-three billion, eight hundred sixty-five million, five hundred twenty-nine thousand, seven hundred fifty-two".