20207480832 has 780 divisors, whose sum is σ = 77282871336. Its totient is φ = 5202247680.

The previous prime is 20207480809. The next prime is 20207480861. The reversal of 20207480832 is 23808470202.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 178827208 + ... + 178827320.

Almost surely, 2^20207480832 is an apocalyptic number.

20207480832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20207480832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38641435668).

20207480832 is an abundant number, since it is smaller than the sum of its proper divisors (57075390504).

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

20207480832 is a wasteful number, since it uses less digits than its factorization.

20207480832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 20207480832 in words is "twenty billion, two hundred seven million, four hundred eighty thousand, eight hundred thirty-two".