20202220220023 has 2 divisors, whose sum is σ = 20202220220024. Its totient is φ = 20202220220022.

The previous prime is 20202220219949. The next prime is 20202220220087. The reversal of 20202220220023 is 32002202220202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20202220220023 - 2²¹ = 20202218122871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202220280023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101110110011 + 10101110110012.

It is an arithmetic number, because the mean of its divisors is an integer number (10101110110012).

Almost surely, 2^{20202220220023} is an apocalyptic number.

20202220220023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202220220023 is an equidigital number, since it uses as much as digits as its factorization.

20202220220023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20202220220023 its reverse (32002202220202), we get a palindrome (52204422440225).

The spelling of 20202220220023 in words is "twenty trillion, two hundred two billion, two hundred twenty million, two hundred twenty thousand, twenty-three".