20220386872 has 128 divisors (see below), whose sum is σ = 46539878400. Its totient is φ = 8065837440.

The previous prime is 20220386869. The next prime is 20220386903. The reversal of 20220386872 is 27868302202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23429913 + ... + 23430775.

It is an arithmetic number, because the mean of its divisors is an integer number (363592800).

Almost surely, 2^20220386872 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 20220386872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23269939200).

20220386872 is an abundant number, since it is smaller than the sum of its proper divisors (26319491528).

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

20220386872 is an equidigital number, since it uses as much as digits as its factorization.

20220386872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 20220386872 in words is "twenty billion, two hundred twenty million, three hundred eighty-six thousand, eight hundred seventy-two".