20083645064484 has 45 divisors (see below), whose sum is σ = 52502826217611. Its totient is φ = 6694521465960.

The previous prime is 20083645064477. The next prime is 20083645064621. The reversal of 20083645064484 is 48446054638002.

It is a happy number.

The square root of 20083645064484 is 4481478.

It is a perfect power (a square), and thus also a powerful number.

20083645064484 is a `hidden beast` number, since 20 + 0 + 8 + 36 + 4 + 50 + 64 + 484 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 20083645064484.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 80542119 + ... + 80791089.

Almost surely, 2^{20083645064484} is an apocalyptic number.

20083645064484 is the 4481478-th square number.

It is an amenable number.

20083645064484 is an abundant number, since it is smaller than the sum of its proper divisors (32419181153127).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20083645064484 is an frugal number, since it uses more digits than its factorization.

20083645064484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497958 (or 248976 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 54.

The spelling of 20083645064484 in words is "twenty trillion, eighty-three billion, six hundred forty-five million, sixty-four thousand, four hundred eighty-four".