20150964216 has 160 divisors (see below), whose sum is σ = 60534896400. Its totient is φ = 6243194880.

The previous prime is 20150964199. The next prime is 20150964257. The reversal of 20150964216 is 61246905102.

20150964216 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 0 + 9 + 642 + 1 + 6 = 666.

It is a super-2 number, since 2×20150964216² (a number of 21 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 637096 + ... + 667976.

Almost surely, 2^20150964216 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 20150964216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30267448200).

20150964216 is an abundant number, since it is smaller than the sum of its proper divisors (40383932184).

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

20150964216 is a wasteful number, since it uses less digits than its factorization.

20150964216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30971 (or 30958 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 20150964216 in words is "twenty billion, one hundred fifty million, nine hundred sixty-four thousand, two hundred sixteen".