20151970152 has 48 divisors (see below), whose sum is σ = 53171079840. Its totient is φ = 6363777312.

The previous prime is 20151970141. The next prime is 20151970169. The reversal of 20151970152 is 25107915102.

It is a super-2 number, since 2×20151970152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1154308 + ... + 1171635.

It is an arithmetic number, because the mean of its divisors is an integer number (1107730830).

Almost surely, 2^20151970152 is an apocalyptic number.

It is an amenable number.

20151970152 is an abundant number, since it is smaller than the sum of its proper divisors (33019109688).

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

20151970152 is a wasteful number, since it uses less digits than its factorization.

20151970152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325990 (or 2325967 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 33.

The spelling of 20151970152 in words is "twenty billion, one hundred fifty-one million, nine hundred seventy thousand, one hundred fifty-two".