20152256604 has 48 divisors (see below), whose sum is σ = 47185827360. Its totient is φ = 6694041600.

The previous prime is 20152256591. The next prime is 20152256639. The reversal of 20152256604 is 40665225102.

It is a super-2 number, since 2×20152256604² (a number of 21 digits) contains 22 as substring.

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, 8434242 + ... + 8436630.

It is an arithmetic number, because the mean of its divisors is an integer number (983038070).

Almost surely, 2^20152256604 is an apocalyptic number.

It is an amenable number.

20152256604 is an abundant number, since it is smaller than the sum of its proper divisors (27033570756).

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

20152256604 is a wasteful number, since it uses less digits than its factorization.

20152256604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4550 (or 4548 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20152256604 in words is "twenty billion, one hundred fifty-two million, two hundred fifty-six thousand, six hundred four".