20453031208552 has 16 divisors (see below), whose sum is σ = 40605282546660. Its totient is φ = 9624955862784.

The previous prime is 20453031208523. The next prime is 20453031208609. The reversal of 20453031208552 is 25580213035402.

It can be written as a sum of positive squares in 2 ways, for example, as 19357060911556 + 1095970296996 = 4399666^2 + 1046886^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75194967543 + ... + 75194967814.

Almost surely, 2^{20453031208552} is an apocalyptic number.

It is an amenable number.

20453031208552 is a deficient number, since it is larger than the sum of its proper divisors (20152251338108).

20453031208552 is a wasteful number, since it uses less digits than its factorization.

20453031208552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150389935380 (or 150389935376 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 20453031208552 in words is "twenty trillion, four hundred fifty-three billion, thirty-one million, two hundred eight thousand, five hundred fifty-two".