20302021223311 has 2 divisors, whose sum is σ = 20302021223312. Its totient is φ = 20302021223310.

The previous prime is 20302021223279. The next prime is 20302021223327. The reversal of 20302021223311 is 11332212020302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20302021223311 - 2⁵ = 20302021223279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302021229311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151010611655 + 10151010611656.

It is an arithmetic number, because the mean of its divisors is an integer number (10151010611656).

Almost surely, 2^{20302021223311} is an apocalyptic number.

20302021223311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302021223311 is an equidigital number, since it uses as much as digits as its factorization.

20302021223311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20302021223311 its reverse (11332212020302), we get a palindrome (31634233243613).

The spelling of 20302021223311 in words is "twenty trillion, three hundred two billion, twenty-one million, two hundred twenty-three thousand, three hundred eleven".