20677199883504 has 20 divisors (see below), whose sum is σ = 53416099699176. Its totient is φ = 6892399961152.

The previous prime is 20677199883503. The next prime is 20677199883523. The reversal of 20677199883504 is 40538899177602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20677199883503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215387498739 + ... + 215387498834.

It is a 1-persistent number, because it is pandigital, but 2⋅20677199883504 = 41354399767008 is not.

Almost surely, 2^{20677199883504} is an apocalyptic number.

20677199883504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20677199883504 is an abundant number, since it is smaller than the sum of its proper divisors (32738899815672).

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

20677199883504 is a wasteful number, since it uses less digits than its factorization.

20677199883504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430774997584 (or 430774997578 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 69.

The spelling of 20677199883504 in words is "twenty trillion, six hundred seventy-seven billion, one hundred ninety-nine million, eight hundred eighty-three thousand, five hundred four".