20869934296 has 16 divisors (see below), whose sum is σ = 39158647200. Its totient is φ = 10427628384.

The previous prime is 20869934279. The next prime is 20869934299. The reversal of 20869934296 is 69243996802.

It is a self number, because there is not a number n which added to its sum of digits gives 20869934296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20869934299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905251 + ... + 928018.

It is an arithmetic number, because the mean of its divisors is an integer number (2447415450).

Almost surely, 2^20869934296 is an apocalyptic number.

It is an amenable number.

20869934296 is a deficient number, since it is larger than the sum of its proper divisors (18288712904).

20869934296 is a wasteful number, since it uses less digits than its factorization.

20869934296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834698 (or 1834694 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 20869934296 in words is "twenty billion, eight hundred sixty-nine million, nine hundred thirty-four thousand, two hundred ninety-six".