20368092858877 has 2 divisors, whose sum is σ = 20368092858878. Its totient is φ = 20368092858876.

The previous prime is 20368092858829. The next prime is 20368092858907. The reversal of 20368092858877 is 77885829086302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14049048218436 + 6319044640441 = 3748206^2 + 2513771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20368092858877 is a prime.

It is a super-2 number, since 2×20368092858877² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20368092858277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10184046429438 + 10184046429439.

It is an arithmetic number, because the mean of its divisors is an integer number (10184046429439).

Almost surely, 2^{20368092858877} is an apocalyptic number.

It is an amenable number.

20368092858877 is a deficient number, since it is larger than the sum of its proper divisors (1).

20368092858877 is an equidigital number, since it uses as much as digits as its factorization.

20368092858877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 650280960, while the sum is 73.

The spelling of 20368092858877 in words is "twenty trillion, three hundred sixty-eight billion, ninety-two million, eight hundred fifty-eight thousand, eight hundred seventy-seven".