20507375036 has 24 divisors (see below), whose sum is σ = 36489799920. Its totient is φ = 10081843200.

The previous prime is 20507375033. The next prime is 20507375041. The reversal of 20507375036 is 63057370502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20507375033) 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, 710780 + ... + 739068.

It is an arithmetic number, because the mean of its divisors is an integer number (1520408330).

Almost surely, 2^20507375036 is an apocalyptic number.

It is an amenable number.

20507375036 is a deficient number, since it is larger than the sum of its proper divisors (15982424884).

20507375036 is a wasteful number, since it uses less digits than its factorization.

20507375036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31325 (or 31323 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 38.

The spelling of 20507375036 in words is "twenty billion, five hundred seven million, three hundred seventy-five thousand, thirty-six".