20151012532 has 48 divisors (see below), whose sum is σ = 40843264000. Its totient is φ = 8520336864.

The previous prime is 20151012523. The next prime is 20151012547. The reversal of 20151012532 is 23521015102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888319 + ... + 3893497.

Almost surely, 2^20151012532 is an apocalyptic number.

It is an amenable number.

20151012532 is an abundant number, since it is smaller than the sum of its proper divisors (20692251468).

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

20151012532 is a wasteful number, since it uses less digits than its factorization.

20151012532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028 (or 7026 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 20151012532 its reverse (23521015102), we get a palindrome (43672027634).

The spelling of 20151012532 in words is "twenty billion, one hundred fifty-one million, twelve thousand, five hundred thirty-two".