20337882993 has 12 divisors (see below), whose sum is σ = 29378490180. Its totient is φ = 13557874176.

The previous prime is 20337882977. The next prime is 20337883021. The reversal of 20337882993 is 39928873302.

It can be written as a sum of positive squares in 2 ways, for example, as 10243059264 + 10094823729 = 101208^2 + 100473^2 .

It is not a de Polignac number, because 20337882993 - 2⁴ = 20337882977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20337882193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165505 + ... + 260897.

It is an arithmetic number, because the mean of its divisors is an integer number (2448207515).

Almost surely, 2^20337882993 is an apocalyptic number.

It is an amenable number.

20337882993 is a deficient number, since it is larger than the sum of its proper divisors (9040607187).

20337882993 is a wasteful number, since it uses less digits than its factorization.

20337882993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119088 (or 119085 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 20337882993 in words is "twenty billion, three hundred thirty-seven million, eight hundred eighty-two thousand, nine hundred ninety-three".