20045424252 has 96 divisors (see below), whose sum is σ = 53828812800. Its totient is φ = 5687301312.

The previous prime is 20045424241. The next prime is 20045424299. The reversal of 20045424252 is 25242454002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8410653 + ... + 8413035.

It is an arithmetic number, because the mean of its divisors is an integer number (560716800).

Almost surely, 2^20045424252 is an apocalyptic number.

It is an amenable number.

20045424252 is an abundant number, since it is smaller than the sum of its proper divisors (33783388548).

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

20045424252 is a wasteful number, since it uses less digits than its factorization.

20045424252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3053 counting only the distinct ones).

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

Adding to 20045424252 its reverse (25242454002), we get a palindrome (45287878254).

The spelling of 20045424252 in words is "twenty billion, forty-five million, four hundred twenty-four thousand, two hundred fifty-two".