20790739201 has 2 divisors, whose sum is σ = 20790739202. Its totient is φ = 20790739200.

The previous prime is 20790739187. The next prime is 20790739261. The reversal of 20790739201 is 10293709702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17828658576 + 2962080625 = 133524^2 + 54425^2 .

It is a cyclic number.

It is not a de Polignac number, because 20790739201 - 2¹⁷ = 20790608129 is a prime.

It is not a weakly prime, because it can be changed into another prime (20790739261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10395369600 + 10395369601.

It is an arithmetic number, because the mean of its divisors is an integer number (10395369601).

Almost surely, 2^20790739201 is an apocalyptic number.

It is an amenable number.

20790739201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20790739201 is an equidigital number, since it uses as much as digits as its factorization.

20790739201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The spelling of 20790739201 in words is "twenty billion, seven hundred ninety million, seven hundred thirty-nine thousand, two hundred one".