20080873540 has 48 divisors (see below), whose sum is σ = 51901339392. Its totient is φ = 6355264896.

The previous prime is 20080873531. The next prime is 20080873543. The reversal of 20080873540 is 4537808002.

It is a self number, because there is not a number n which added to its sum of digits gives 20080873540.

It is not an unprimeable number, because it can be changed into a prime (20080873543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5514904 + ... + 5518543.

It is an arithmetic number, because the mean of its divisors is an integer number (1081277904).

Almost surely, 2^20080873540 is an apocalyptic number.

20080873540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20080873540 is an abundant number, since it is smaller than the sum of its proper divisors (31820465852).

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

20080873540 is a wasteful number, since it uses less digits than its factorization.

20080873540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033476 (or 11033474 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 20080873540 in words is "twenty billion, eighty million, eight hundred seventy-three thousand, five hundred forty".