20015375000 has 112 divisors (see below), whose sum is σ = 49675145400. Its totient is φ = 7534400000.

The previous prime is 20015374999. The next prime is 20015375033. The reversal of 20015375000 is 57351002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2120291 + ... + 2129709.

Almost surely, 2^20015375000 is an apocalyptic number.

20015375000 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 20015375000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24837572700).

20015375000 is an abundant number, since it is smaller than the sum of its proper divisors (29659770400).

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

20015375000 is an frugal number, since it uses more digits than its factorization.

20015375000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472 (or 9443 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The spelling of 20015375000 in words is "twenty billion, fifteen million, three hundred seventy-five thousand".