20176920377 has 8 divisors (see below), whose sum is σ = 20318947200. Its totient is φ = 20034982000.

The previous prime is 20176920371. The next prime is 20176920437. The reversal of 20176920377 is 77302967102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20176920377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20176920371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474752 + ... + 515502.

It is an arithmetic number, because the mean of its divisors is an integer number (2539868400).

Almost surely, 2^20176920377 is an apocalyptic number.

It is an amenable number.

20176920377 is a deficient number, since it is larger than the sum of its proper divisors (142026823).

20176920377 is a wasteful number, since it uses less digits than its factorization.

20176920377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44223.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 20176920377 in words is "twenty billion, one hundred seventy-six million, nine hundred twenty thousand, three hundred seventy-seven".