20150995968 has 440 divisors, whose sum is σ = 65912482944. Its totient is φ = 6104678400.

The previous prime is 20150995961. The next prime is 20150995979. The reversal of 20150995968 is 86959905102.

20150995968 is a `hidden beast` number, since 20 + 1 + 509 + 9 + 59 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (20150995961) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 43711258 + ... + 43711718.

Almost surely, 2^20150995968 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 20150995968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32956241472).

20150995968 is an abundant number, since it is smaller than the sum of its proper divisors (45761486976).

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

20150995968 is a wasteful number, since it uses less digits than its factorization.

20150995968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 20150995968 in words is "twenty billion, one hundred fifty million, nine hundred ninety-five thousand, nine hundred sixty-eight".