20499833926 has 16 divisors (see below), whose sum is σ = 36125581968. Its totient is φ = 8601328800.

The previous prime is 20499833917. The next prime is 20499833927. The reversal of 20499833926 is 62933899402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20499833927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35838585 + ... + 35839156.

It is an arithmetic number, because the mean of its divisors is an integer number (2257848873).

Almost surely, 2^20499833926 is an apocalyptic number.

20499833926 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20499833926 is a deficient number, since it is larger than the sum of its proper divisors (15625748042).

20499833926 is a wasteful number, since it uses less digits than its factorization.

20499833926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71677767.

The product of its (nonzero) digits is 5038848, while the sum is 55.

The spelling of 20499833926 in words is "twenty billion, four hundred ninety-nine million, eight hundred thirty-three thousand, nine hundred twenty-six".