20360621204 has 96 divisors (see below), whose sum is σ = 44943015936. Its totient is φ = 7840385280.

The previous prime is 20360621191. The next prime is 20360621219. The reversal of 20360621204 is 40212606302.

It is a super-3 number, since 3×20360621204³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12242477 + ... + 12244139.

It is an arithmetic number, because the mean of its divisors is an integer number (468156416).

Almost surely, 2^20360621204 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 20360621204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22471507968).

20360621204 is an abundant number, since it is smaller than the sum of its proper divisors (24582394732).

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

20360621204 is a wasteful number, since it uses less digits than its factorization.

20360621204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 20360621204 in words is "twenty billion, three hundred sixty million, six hundred twenty-one thousand, two hundred four".