20962665216 has 108 divisors (see below), whose sum is σ = 62679255912. Its totient is φ = 6987534336.

The previous prime is 20962665149. The next prime is 20962665223. The reversal of 20962665216 is 61256626902.

It is a happy number.

20962665216 is a `hidden beast` number, since 2 + 0 + 9 + 62 + 66 + 521 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106281 + ... + 230696.

Almost surely, 2^20962665216 is an apocalyptic number.

It is an amenable number.

20962665216 is an abundant number, since it is smaller than the sum of its proper divisors (41716590696).

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

20962665216 is an frugal number, since it uses more digits than its factorization.

20962665216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337008 (or 336982 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 20962665216 in words is "twenty billion, nine hundred sixty-two million, six hundred sixty-five thousand, two hundred sixteen".