30020997056164 has 81 divisors (see below), whose sum is σ = 54085253342211. Its totient is φ = 14580654359040.

The previous prime is 30020997056059. The next prime is 30020997056207. The reversal of 30020997056164 is 46165079902003.

It is a happy number.

The square root of 30020997056164 is 5479142.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11143779532900 + 18877217523264 = 3338230^2 + 4344792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64840166197 + ... + 64840166659.

Almost surely, 2^{30020997056164} is an apocalyptic number.

30020997056164 is the 5479142-nd square number.

It is an amenable number.

30020997056164 is a deficient number, since it is larger than the sum of its proper divisors (24064256286047).

30020997056164 is an frugal number, since it uses more digits than its factorization.

30020997056164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 30020997056164 in words is "thirty trillion, twenty billion, nine hundred ninety-seven million, fifty-six thousand, one hundred sixty-four".