20386233216 has 96 divisors (see below), whose sum is σ = 58691942400. Its totient is φ = 6792118272.

The previous prime is 20386233199. The next prime is 20386233227. The reversal of 20386233216 is 61233268302.

It is a happy number.

20386233216 is a `hidden beast` number, since 2 + 0 + 3 + 8 + 623 + 3 + 21 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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, 3979905 + ... + 3985023.

It is an arithmetic number, because the mean of its divisors is an integer number (611374400).

Almost surely, 2^20386233216 is an apocalyptic number.

It is an amenable number.

20386233216 is an abundant number, since it is smaller than the sum of its proper divisors (38305709184).

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

20386233216 is a wasteful number, since it uses less digits than its factorization.

20386233216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596 (or 8581 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 20386233216 in words is "twenty billion, three hundred eighty-six million, two hundred thirty-three thousand, two hundred sixteen".