20952265910 has 24 divisors (see below), whose sum is σ = 40063057920. Its totient is φ = 7887910784.

The previous prime is 20952265897. The next prime is 20952265931. The reversal of 20952265910 is 1956225902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3622070 + ... + 3627849.

It is an arithmetic number, because the mean of its divisors is an integer number (1669294080).

Almost surely, 2^20952265910 is an apocalyptic number.

20952265910 is a deficient number, since it is larger than the sum of its proper divisors (19110792010).

20952265910 is a wasteful number, since it uses less digits than its factorization.

20952265910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249960 (or 7249943 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 20952265910 in words is "twenty billion, nine hundred fifty-two million, two hundred sixty-five thousand, nine hundred ten".