20457330116 has 6 divisors (see below), whose sum is σ = 35800327710. Its totient is φ = 10228665056.

The previous prime is 20457330073. The next prime is 20457330149. The reversal of 20457330116 is 61103375402.

It can be written as a sum of positive squares in only one way, i.e., 13282562500 + 7174767616 = 115250^2 + 84704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2557166261 + ... + 2557166268.

It is an arithmetic number, because the mean of its divisors is an integer number (5966721285).

Almost surely, 2^20457330116 is an apocalyptic number.

It is an amenable number.

20457330116 is a deficient number, since it is larger than the sum of its proper divisors (15342997594).

20457330116 is a wasteful number, since it uses less digits than its factorization.

20457330116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114332533 (or 5114332531 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 20457330116 in words is "twenty billion, four hundred fifty-seven million, three hundred thirty thousand, one hundred sixteen".