20677414560 has 96 divisors (see below), whose sum is σ = 71055133632. Its totient is φ = 5012705280.

The previous prime is 20677414547. The next prime is 20677414627. The reversal of 20677414560 is 6541477602.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1952809 + ... + 1963368.

It is an arithmetic number, because the mean of its divisors is an integer number (740157642).

Almost surely, 2^20677414560 is an apocalyptic number.

20677414560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20677414560 is an abundant number, since it is smaller than the sum of its proper divisors (50377719072).

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

20677414560 is a wasteful number, since it uses less digits than its factorization.

20677414560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916206 (or 3916198 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 20677414560 in words is "twenty billion, six hundred seventy-seven million, four hundred fourteen thousand, five hundred sixty".