20677407054 has 96 divisors (see below), whose sum is σ = 46074438144. Its totient is φ = 6164294400.

The previous prime is 20677407011. The next prime is 20677407133. The reversal of 20677407054 is 45070477602.

It is a junction number, because it is equal to n+sod(n) for n = 20677406997 and 20677407015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8793979 + ... + 8796329.

It is an arithmetic number, because the mean of its divisors is an integer number (479942064).

Almost surely, 2^20677407054 is an apocalyptic number.

20677407054 is an abundant number, since it is smaller than the sum of its proper divisors (25397031090).

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

20677407054 is a wasteful number, since it uses less digits than its factorization.

20677407054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2559 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 20677407054 in words is "twenty billion, six hundred seventy-seven million, four hundred seven thousand, fifty-four".