20292004172 has 24 divisors (see below), whose sum is σ = 38743391232. Its totient is φ = 9222659600.

The previous prime is 20292004141. The next prime is 20292004189. The reversal of 20292004172 is 27140029202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542597 + ... + 578787.

It is an arithmetic number, because the mean of its divisors is an integer number (1614307968).

Almost surely, 2^20292004172 is an apocalyptic number.

20292004172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20292004172 is a deficient number, since it is larger than the sum of its proper divisors (18451387060).

20292004172 is a wasteful number, since it uses less digits than its factorization.

20292004172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48949 (or 48947 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 20292004172 in words is "twenty billion, two hundred ninety-two million, four thousand, one hundred seventy-two".