20152425344 has 16 divisors (see below), whose sum is σ = 40147410120. Its totient is φ = 10076212608.

The previous prime is 20152425323. The next prime is 20152425443. The reversal of 20152425344 is 44352425102.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×20152425344² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20152425344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78720284 + ... + 78720539.

Almost surely, 2^20152425344 is an apocalyptic number.

It is an amenable number.

20152425344 is a deficient number, since it is larger than the sum of its proper divisors (19994984776).

20152425344 is an equidigital number, since it uses as much as digits as its factorization.

20152425344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157440837 (or 157440825 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 20152425344 in words is "twenty billion, one hundred fifty-two million, four hundred twenty-five thousand, three hundred forty-four".