20425492152 has 96 divisors (see below), whose sum is σ = 59744084400. Its totient is φ = 6266861568.

The previous prime is 20425492103. The next prime is 20425492177. The reversal of 20425492152 is 25129452402.

20425492152 is a `hidden beast` number, since 2 + 0 + 42 + 549 + 21 + 52 = 666.

It is a super-2 number, since 2×20425492152² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299499 + ... + 361317.

Almost surely, 2^20425492152 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 20425492152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29872042200).

20425492152 is an abundant number, since it is smaller than the sum of its proper divisors (39318592248).

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

20425492152 is a wasteful number, since it uses less digits than its factorization.

20425492152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62197 (or 62190 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 20425492152 in words is "twenty billion, four hundred twenty-five million, four hundred ninety-two thousand, one hundred fifty-two".