20793877933 has 2 divisors, whose sum is σ = 20793877934. Its totient is φ = 20793877932.

The previous prime is 20793877919. The next prime is 20793877957. The reversal of 20793877933 is 33977839702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14146247844 + 6647630089 = 118938^2 + 81533^2 .

It is a cyclic number.

It is not a de Polignac number, because 20793877933 - 2⁵ = 20793877901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20793877633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10396938966 + 10396938967.

It is an arithmetic number, because the mean of its divisors is an integer number (10396938967).

Almost surely, 2^20793877933 is an apocalyptic number.

It is an amenable number.

20793877933 is a deficient number, since it is larger than the sum of its proper divisors (1).

20793877933 is an equidigital number, since it uses as much as digits as its factorization.

20793877933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 58.

The spelling of 20793877933 in words is "twenty billion, seven hundred ninety-three million, eight hundred seventy-seven thousand, nine hundred thirty-three".