20042862057311 has 2 divisors, whose sum is σ = 20042862057312. Its totient is φ = 20042862057310.

The previous prime is 20042862057307. The next prime is 20042862057347. The reversal of 20042862057311 is 11375026824002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20042862057311 - 2² = 20042862057307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20042862057371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021431028655 + 10021431028656.

It is an arithmetic number, because the mean of its divisors is an integer number (10021431028656).

Almost surely, 2^{20042862057311} is an apocalyptic number.

20042862057311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20042862057311 is an equidigital number, since it uses as much as digits as its factorization.

20042862057311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 20042862057311 in words is "twenty trillion, forty-two billion, eight hundred sixty-two million, fifty-seven thousand, three hundred eleven".