20655406362 has 16 divisors (see below), whose sum is σ = 42427321632. Its totient is φ = 6699050640.

The previous prime is 20655406333. The next prime is 20655406393. The reversal of 20655406362 is 26360455602.

It is a self number, because there is not a number n which added to its sum of digits gives 20655406362.

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, 46520964 + ... + 46521407.

It is an arithmetic number, because the mean of its divisors is an integer number (2651707602).

Almost surely, 2^20655406362 is an apocalyptic number.

20655406362 is an abundant number, since it is smaller than the sum of its proper divisors (21771915270).

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

20655406362 is a wasteful number, since it uses less digits than its factorization.

20655406362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93042413.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 20655406362 in words is "twenty billion, six hundred fifty-five million, four hundred six thousand, three hundred sixty-two".