20172628592 has 10 divisors (see below), whose sum is σ = 39084467928. Its totient is φ = 10086314288.

The previous prime is 20172628547. The next prime is 20172628639. The reversal of 20172628592 is 29582627102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630394628 + ... + 630394659.

Almost surely, 2^20172628592 is an apocalyptic number.

It is an amenable number.

20172628592 is a deficient number, since it is larger than the sum of its proper divisors (18911839336).

20172628592 is a wasteful number, since it uses less digits than its factorization.

20172628592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260789295 (or 1260789289 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 20172628592 in words is "twenty billion, one hundred seventy-two million, six hundred twenty-eight thousand, five hundred ninety-two".