20593801 has 2 divisors, whose sum is σ = 20593802. Its totient is φ = 20593800.

The previous prime is 20593787. The next prime is 20593813. The reversal of 20593801 is 10839502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16613776 + 3980025 = 4076^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 20593801 - 2⁷ = 20593673 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20593801.

It is not a weakly prime, because it can be changed into another prime (20593831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10296900 + 10296901.

It is an arithmetic number, because the mean of its divisors is an integer number (10296901).

Almost surely, 2^20593801 is an apocalyptic number.

It is an amenable number.

20593801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20593801 is an equidigital number, since it uses as much as digits as its factorization.

20593801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 20593801 is about 4538.0393343381. The cubic root of 20593801 is about 274.1019786635.

The spelling of 20593801 in words is "twenty million, five hundred ninety-three thousand, eight hundred one".