30020882657157 has 24 divisors (see below), whose sum is σ = 49573305038400. Its totient is φ = 17149589974080.

The previous prime is 30020882657137. The next prime is 30020882657159. The reversal of 30020882657157 is 75175628802003.

30020882657157 is a `hidden beast` number, since 300 + 2 + 0 + 8 + 8 + 265 + 71 + 5 + 7 = 666.

It is not a de Polignac number, because 30020882657157 - 2⁸ = 30020882656901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020882657159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72014344 + ... + 72430017.

It is an arithmetic number, because the mean of its divisors is an integer number (2065554376600).

Almost surely, 2^{30020882657157} is an apocalyptic number.

It is an amenable number.

30020882657157 is a deficient number, since it is larger than the sum of its proper divisors (19552422381243).

30020882657157 is a wasteful number, since it uses less digits than its factorization.

30020882657157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144447673 (or 144447670 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 30020882657157 in words is "thirty trillion, twenty billion, eight hundred eighty-two million, six hundred fifty-seven thousand, one hundred fifty-seven".