20039355177 has 8 divisors (see below), whose sum is σ = 26722288320. Its totient is φ = 13357996080.

The previous prime is 20039355131. The next prime is 20039355181. The reversal of 20039355177 is 77155393002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20039355177 - 2⁶ = 20039355113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20039305177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363477 + ... + 414962.

It is an arithmetic number, because the mean of its divisors is an integer number (3340286040).

Almost surely, 2^20039355177 is an apocalyptic number.

It is an amenable number.

20039355177 is a deficient number, since it is larger than the sum of its proper divisors (6682933143).

20039355177 is an equidigital number, since it uses as much as digits as its factorization.

20039355177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787023.

The product of its (nonzero) digits is 198450, while the sum is 42.

The spelling of 20039355177 in words is "twenty billion, thirty-nine million, three hundred fifty-five thousand, one hundred seventy-seven".