20306947030258 has 32 divisors (see below), whose sum is σ = 36426655825920. Its totient is φ = 8301398669520.

The previous prime is 20306947030247. The next prime is 20306947030339. The reversal of 20306947030258 is 85203074960302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87718738 + ... + 87949933.

It is an arithmetic number, because the mean of its divisors is an integer number (1138332994560).

Almost surely, 2^{20306947030258} is an apocalyptic number.

20306947030258 is a deficient number, since it is larger than the sum of its proper divisors (16119708795662).

20306947030258 is a wasteful number, since it uses less digits than its factorization.

20306947030258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175669062.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 20306947030258 in words is "twenty trillion, three hundred six billion, nine hundred forty-seven million, thirty thousand, two hundred fifty-eight".