20810169792 has 84 divisors (see below), whose sum is σ = 59669345736. Its totient is φ = 6934310400.

The previous prime is 20810169763. The next prime is 20810169803. The reversal of 20810169792 is 29796101802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2559718 + ... + 2567834.

It is an arithmetic number, because the mean of its divisors is an integer number (710349354).

Almost surely, 2^20810169792 is an apocalyptic number.

It is an amenable number.

20810169792 is an abundant number, since it is smaller than the sum of its proper divisors (38859175944).

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

20810169792 is a wasteful number, since it uses less digits than its factorization.

20810169792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12586 (or 12573 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 20810169792 in words is "twenty billion, eight hundred ten million, one hundred sixty-nine thousand, seven hundred ninety-two".