20750641036 has 12 divisors (see below), whose sum is σ = 37199320200. Its totient is φ = 10122263840.

The previous prime is 20750641033. The next prime is 20750641073. The reversal of 20750641036 is 63014605702.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20750640992 and 20750641010.

It is not an unprimeable number, because it can be changed into a prime (20750641033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63263986 + ... + 63264313.

It is an arithmetic number, because the mean of its divisors is an integer number (3099943350).

Almost surely, 2^20750641036 is an apocalyptic number.

It is an amenable number.

20750641036 is a deficient number, since it is larger than the sum of its proper divisors (16448679164).

20750641036 is a wasteful number, since it uses less digits than its factorization.

20750641036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126528344 (or 126528342 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 20750641036 in words is "twenty billion, seven hundred fifty million, six hundred forty-one thousand, thirty-six".