20350175872 has 128 divisors (see below), whose sum is σ = 47029752000. Its totient is φ = 8690540544.

The previous prime is 20350175863. The next prime is 20350175893. The reversal of 20350175872 is 27857105302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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, 1352004 + ... + 1366972.

Almost surely, 2^20350175872 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 20350175872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23514876000).

20350175872 is an abundant number, since it is smaller than the sum of its proper divisors (26679576128).

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

20350175872 is a wasteful number, since it uses less digits than its factorization.

20350175872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15058 (or 15046 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 20350175872 in words is "twenty billion, three hundred fifty million, one hundred seventy-five thousand, eight hundred seventy-two".