20012501192 has 32 divisors (see below), whose sum is σ = 38923286400. Its totient is φ = 9634841664.

The previous prime is 20012501191. The next prime is 20012501291. The reversal of 20012501192 is 29110521002.

It is not an unprimeable number, because it can be changed into a prime (20012501191) 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, 32378 + ... + 202665.

It is an arithmetic number, because the mean of its divisors is an integer number (1216352700).

Almost surely, 2^20012501192 is an apocalyptic number.

It is an amenable number.

20012501192 is a deficient number, since it is larger than the sum of its proper divisors (18910785208).

20012501192 is a wasteful number, since it uses less digits than its factorization.

20012501192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235445 (or 235441 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The spelling of 20012501192 in words is "twenty billion, twelve million, five hundred one thousand, one hundred ninety-two".