20480501826 has 24 divisors (see below), whose sum is σ = 45318559104. Its totient is φ = 6681581880.

The previous prime is 20480501807. The next prime is 20480501843. The reversal of 20480501826 is 62810508402.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12103470 + ... + 12105161.

It is an arithmetic number, because the mean of its divisors is an integer number (1888273296).

Almost surely, 2^20480501826 is an apocalyptic number.

20480501826 is an abundant number, since it is smaller than the sum of its proper divisors (24838057278).

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

20480501826 is a wasteful number, since it uses less digits than its factorization.

20480501826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24208686 (or 24208683 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 20480501826 in words is "twenty billion, four hundred eighty million, five hundred one thousand, eight hundred twenty-six".