20159191152 has 60 divisors (see below), whose sum is σ = 56976368904. Its totient is φ = 6653193600.

The previous prime is 20159191093. The next prime is 20159191163. The reversal of 20159191152 is 25119195102.

20159191152 is a `hidden beast` number, since 2 + 0 + 1 + 591 + 9 + 11 + 52 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 678498 + ... + 707585.

Almost surely, 2^20159191152 is an apocalyptic number.

It is an amenable number.

20159191152 is an abundant number, since it is smaller than the sum of its proper divisors (36817177752).

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

20159191152 is a wasteful number, since it uses less digits than its factorization.

20159191152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386198 (or 1386189 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 36.

The spelling of 20159191152 in words is "twenty billion, one hundred fifty-nine million, one hundred ninety-one thousand, one hundred fifty-two".