20453455112 has 32 divisors (see below), whose sum is σ = 39245040000. Its totient is φ = 9988987584.

The previous prime is 20453455097. The next prime is 20453455133. The reversal of 20453455112 is 21155435402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133118 + ... + 242130.

It is an arithmetic number, because the mean of its divisors is an integer number (1226407500).

Almost surely, 2^20453455112 is an apocalyptic number.

It is an amenable number.

20453455112 is a deficient number, since it is larger than the sum of its proper divisors (18791584888).

20453455112 is a wasteful number, since it uses less digits than its factorization.

20453455112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109565 (or 109561 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 20453455112 in words is "twenty billion, four hundred fifty-three million, four hundred fifty-five thousand, one hundred twelve".