20501155200593 has 2 divisors, whose sum is σ = 20501155200594. Its totient is φ = 20501155200592.

The previous prime is 20501155200563. The next prime is 20501155200599. The reversal of 20501155200593 is 39500255110502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13458537913744 + 7042617286849 = 3668588^2 + 2653793^2 .

It is a cyclic number.

It is not a de Polignac number, because 20501155200593 - 2³⁶ = 20432435723857 is a prime.

It is not a weakly prime, because it can be changed into another prime (20501155200599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10250577600296 + 10250577600297.

It is an arithmetic number, because the mean of its divisors is an integer number (10250577600297).

Almost surely, 2^{20501155200593} is an apocalyptic number.

It is an amenable number.

20501155200593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20501155200593 is an equidigital number, since it uses as much as digits as its factorization.

20501155200593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 20501155200593 in words is "twenty trillion, five hundred one billion, one hundred fifty-five million, two hundred thousand, five hundred ninety-three".