20336706612 has 30 divisors (see below), whose sum is σ = 53164169058. Its totient is φ = 6778902096.

The previous prime is 20336706581. The next prime is 20336706619. The reversal of 20336706612 is 21660763302.

20336706612 is a `hidden beast` number, since 2 + 0 + 3 + 36 + 7 + 0 + 6 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18527565456 + 1809141156 = 136116^2 + 42534^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20336706619) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31383483 + ... + 31384130.

Almost surely, 2^20336706612 is an apocalyptic number.

It is an amenable number.

20336706612 is an abundant number, since it is smaller than the sum of its proper divisors (32827462446).

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

20336706612 is a wasteful number, since it uses less digits than its factorization.

20336706612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62767629 (or 62767618 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The spelling of 20336706612 in words is "twenty billion, three hundred thirty-six million, seven hundred six thousand, six hundred twelve".