20093597992 has 32 divisors (see below), whose sum is σ = 41670203400. Its totient is φ = 9023318784.

The previous prime is 20093597971. The next prime is 20093597999. The reversal of 20093597992 is 29979539002.

It can be written as a sum of positive squares in 4 ways, for example, as 18913400676 + 1180197316 = 137526^2 + 34354^2 .

It is not an unprimeable number, because it can be changed into a prime (20093597999) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2607067 + ... + 2614762.

Almost surely, 2^20093597992 is an apocalyptic number.

It is an amenable number.

20093597992 is an abundant number, since it is smaller than the sum of its proper divisors (21576605408).

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

20093597992 is a wasteful number, since it uses less digits than its factorization.

20093597992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5221885 (or 5221881 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 20093597992 in words is "twenty billion, ninety-three million, five hundred ninety-seven thousand, nine hundred ninety-two".