20325021244 has 24 divisors (see below), whose sum is σ = 38808000000. Its totient is φ = 9237292080.

The previous prime is 20325021191. The next prime is 20325021253. The reversal of 20325021244 is 44212052302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308757 + ... + 368755.

It is an arithmetic number, because the mean of its divisors is an integer number (1617000000).

Almost surely, 2^20325021244 is an apocalyptic number.

It is an amenable number.

20325021244 is a deficient number, since it is larger than the sum of its proper divisors (18482978756).

20325021244 is a wasteful number, since it uses less digits than its factorization.

20325021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67713 (or 67711 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20325021244 its reverse (44212052302), we get a palindrome (64537073546).

The spelling of 20325021244 in words is "twenty billion, three hundred twenty-five million, twenty-one thousand, two hundred forty-four".