20072050516172 has 24 divisors (see below), whose sum is σ = 35134698231360. Its totient is φ = 10033565630720.

The previous prime is 20072050516099. The next prime is 20072050516207. The reversal of 20072050516172 is 27161505027002.

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, 321239798 + ... + 321302274.

It is an arithmetic number, because the mean of its divisors is an integer number (1463945759640).

Almost surely, 2^{20072050516172} is an apocalyptic number.

It is an amenable number.

20072050516172 is a deficient number, since it is larger than the sum of its proper divisors (15062647715188).

20072050516172 is a wasteful number, since it uses less digits than its factorization.

20072050516172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80881 (or 80879 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 20072050516172 in words is "twenty trillion, seventy-two billion, fifty million, five hundred sixteen thousand, one hundred seventy-two".