20084332672 has 64 divisors (see below), whose sum is σ = 41365447200. Its totient is φ = 9707249664.

The previous prime is 20084332649. The next prime is 20084332691. The reversal of 20084332672 is 27623348002.

It is a tau number, because it is divible by the number of its divisors (64).

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, 515079 + ... + 552697.

Almost surely, 2^20084332672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20084332672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20682723600).

20084332672 is an abundant number, since it is smaller than the sum of its proper divisors (21281114528).

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

20084332672 is an equidigital number, since it uses as much as digits as its factorization.

20084332672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37773 (or 37761 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 20084332672 in words is "twenty billion, eighty-four million, three hundred thirty-two thousand, six hundred seventy-two".