20040880416 has 48 divisors (see below), whose sum is σ = 53021574144. Its totient is φ = 6627688704.

The previous prime is 20040880393. The next prime is 20040880451. The reversal of 20040880416 is 61408804002.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809695 + ... + 834078.

It is an arithmetic number, because the mean of its divisors is an integer number (1104616128).

Almost surely, 2^20040880416 is an apocalyptic number.

It is an amenable number.

20040880416 is an abundant number, since it is smaller than the sum of its proper divisors (32980693728).

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

20040880416 is a wasteful number, since it uses less digits than its factorization.

20040880416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643913 (or 1643905 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 20040880416 in words is "twenty billion, forty million, eight hundred eighty thousand, four hundred sixteen".