21962006204 has 12 divisors (see below), whose sum is σ = 38434945584. Its totient is φ = 10980593184.

The previous prime is 21962006177. The next prime is 21962006237. The reversal of 21962006204 is 40260026912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40112 + ... + 213384.

It is an arithmetic number, because the mean of its divisors is an integer number (3202912132).

Almost surely, 2^21962006204 is an apocalyptic number.

It is an amenable number.

21962006204 is a deficient number, since it is larger than the sum of its proper divisors (16472939380).

21962006204 is a wasteful number, since it uses less digits than its factorization.

21962006204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204964 (or 204962 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 21962006204 in words is "twenty-one billion, nine hundred sixty-two million, six thousand, two hundred four".