20367275904 has 128 divisors (see below), whose sum is σ = 60496240800. Its totient is φ = 6745669632.

The previous prime is 20367275861. The next prime is 20367275917. The reversal of 20367275904 is 40957276302.

20367275904 is a `hidden beast` number, since 2 + 0 + 36 + 7 + 27 + 590 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20367275904.

It is a congruent number.

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, 523824 + ... + 561360.

Almost surely, 2^20367275904 is an apocalyptic number.

20367275904 is a gapful number since it is divisible by the number (24) 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 20367275904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30248120400).

20367275904 is an abundant number, since it is smaller than the sum of its proper divisors (40128964896).

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

20367275904 is a wasteful number, since it uses less digits than its factorization.

20367275904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37717 (or 37699 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 20367275904 in words is "twenty billion, three hundred sixty-seven million, two hundred seventy-five thousand, nine hundred four".