21023605010 has 16 divisors (see below), whose sum is σ = 38209893696. Its totient is φ = 8327796528.

The previous prime is 21023604961. The next prime is 21023605049. The reversal of 21023605010 is 1050632012.

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, 10204604 + ... + 10206663.

It is an arithmetic number, because the mean of its divisors is an integer number (2388118356).

Almost surely, 2^21023605010 is an apocalyptic number.

21023605010 is a deficient number, since it is larger than the sum of its proper divisors (17186288686).

21023605010 is a wasteful number, since it uses less digits than its factorization.

21023605010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20411377.

The product of its (nonzero) digits is 360, while the sum is 20.

The spelling of 21023605010 in words is "twenty-one billion, twenty-three million, six hundred five thousand, ten".