20251847232 has 112 divisors (see below), whose sum is σ = 60546081600. Its totient is φ = 6636165120.

The previous prime is 20251847221. The next prime is 20251847267. The reversal of 20251847232 is 23274815202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2632 + ... + 201272.

Almost surely, 2^20251847232 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 20251847232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30273040800).

20251847232 is an abundant number, since it is smaller than the sum of its proper divisors (40294234368).

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

20251847232 is a wasteful number, since it uses less digits than its factorization.

20251847232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198721 (or 198705 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The spelling of 20251847232 in words is "twenty billion, two hundred fifty-one million, eight hundred forty-seven thousand, two hundred thirty-two".