20045959552 has 32 divisors (see below), whose sum is σ = 40240193400. Its totient is φ = 9946460160.

The previous prime is 20045959543. The next prime is 20045959553. The reversal of 20045959552 is 25595954002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045959553) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 580977 + ... + 614512.

Almost surely, 2^20045959552 is an apocalyptic number.

It is an amenable number.

20045959552 is an abundant number, since it is smaller than the sum of its proper divisors (20194233848).

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

20045959552 is a wasteful number, since it uses less digits than its factorization.

20045959552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195634 (or 1195622 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 20045959552 in words is "twenty billion, forty-five million, nine hundred fifty-nine thousand, five hundred fifty-two".