20392338168 has 64 divisors (see below), whose sum is σ = 59977476000. Its totient is φ = 6397595136.

The previous prime is 20392338167. The next prime is 20392338193. The reversal of 20392338168 is 86183329302.

20392338168 is a `hidden beast` number, since 203 + 9 + 2 + 3 + 381 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20392338167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2773063 + ... + 2780406.

Almost surely, 2^20392338168 is an apocalyptic number.

It is an amenable number.

20392338168 is an abundant number, since it is smaller than the sum of its proper divisors (39585137832).

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

20392338168 is a wasteful number, since it uses less digits than its factorization.

20392338168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553501 (or 5553491 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 20392338168 in words is "twenty billion, three hundred ninety-two million, three hundred thirty-eight thousand, one hundred sixty-eight".