20870323600 has 120 divisors (see below), whose sum is σ = 58852993088. Its totient is φ = 6962112000.

The previous prime is 20870323597. The next prime is 20870323619. The reversal of 20870323600 is 632307802.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2875 + ... + 204325.

Almost surely, 2^20870323600 is an apocalyptic number.

20870323600 is a gapful number since it is divisible by the number (20) 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 20870323600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29426496544).

20870323600 is an abundant number, since it is smaller than the sum of its proper divisors (37982669488).

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

20870323600 is a wasteful number, since it uses less digits than its factorization.

20870323600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201513 (or 201502 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 20870323600 in words is "twenty billion, eight hundred seventy million, three hundred twenty-three thousand, six hundred".