20045542404 has 48 divisors (see below), whose sum is σ = 47669207040. Its totient is φ = 6554301600.

The previous prime is 20045542379. The next prime is 20045542421. The reversal of 20045542404 is 40424554002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297229 + ... + 358379.

It is an arithmetic number, because the mean of its divisors is an integer number (993108480).

Almost surely, 2^20045542404 is an apocalyptic number.

It is an amenable number.

20045542404 is an abundant number, since it is smaller than the sum of its proper divisors (27623664636).

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

20045542404 is a wasteful number, since it uses less digits than its factorization.

20045542404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61680 (or 61678 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 20045542404 in words is "twenty billion, forty-five million, five hundred forty-two thousand, four hundred four".