20704315092 has 96 divisors (see below), whose sum is σ = 50353336320. Its totient is φ = 6614231040.

The previous prime is 20704315091. The next prime is 20704315109. The reversal of 20704315092 is 29051340702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20704315091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20317759 + ... + 20318777.

It is an arithmetic number, because the mean of its divisors is an integer number (524513920).

Almost surely, 2^20704315092 is an apocalyptic number.

It is an amenable number.

20704315092 is an abundant number, since it is smaller than the sum of its proper divisors (29649021228).

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

20704315092 is a wasteful number, since it uses less digits than its factorization.

20704315092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

Adding to 20704315092 its reverse (29051340702), we get a palindrome (49755655794).

The spelling of 20704315092 in words is "twenty billion, seven hundred four million, three hundred fifteen thousand, ninety-two".