20175314720 has 96 divisors (see below), whose sum is σ = 52270396416. Its totient is φ = 7297945600.

The previous prime is 20175314669. The next prime is 20175314807. The reversal of 20175314720 is 2741357102.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 306152 + ... + 366168.

It is an arithmetic number, because the mean of its divisors is an integer number (544483296).

Almost surely, 2^20175314720 is an apocalyptic number.

20175314720 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 20175314720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26135198208).

20175314720 is an abundant number, since it is smaller than the sum of its proper divisors (32095081696).

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

20175314720 is a wasteful number, since it uses less digits than its factorization.

20175314720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60234 (or 60226 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 20175314720 in words is "twenty billion, one hundred seventy-five million, three hundred fourteen thousand, seven hundred twenty".