20457314362564 has 48 divisors (see below), whose sum is σ = 38021940356400. Its totient is φ = 9597600976896.

The previous prime is 20457314362553. The next prime is 20457314362607. The reversal of 20457314362564 is 46526341375402.

It can be written as a sum of positive squares in 8 ways, for example, as 5572054670400 + 14885259692164 = 2360520^2 + 3858142^2 .

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, 55073122 + ... + 55443334.

It is an arithmetic number, because the mean of its divisors is an integer number (792123757425).

Almost surely, 2^{20457314362564} is an apocalyptic number.

It is an amenable number.

20457314362564 is a deficient number, since it is larger than the sum of its proper divisors (17564625993836).

20457314362564 is a wasteful number, since it uses less digits than its factorization.

20457314362564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372712 (or 372710 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 20457314362564 in words is "twenty trillion, four hundred fifty-seven billion, three hundred fourteen million, three hundred sixty-two thousand, five hundred sixty-four".