20522204023 has 2 divisors, whose sum is σ = 20522204024. Its totient is φ = 20522204022.

The previous prime is 20522203991. The next prime is 20522204047. The reversal of 20522204023 is 32040222502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20522204023 - 2⁵ = 20522203991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20522203985 and 20522204003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20522204063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261102011 + 10261102012.

It is an arithmetic number, because the mean of its divisors is an integer number (10261102012).

Almost surely, 2^20522204023 is an apocalyptic number.

20522204023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522204023 is an equidigital number, since it uses as much as digits as its factorization.

20522204023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20522204023 its reverse (32040222502), we get a palindrome (52562426525).

The spelling of 20522204023 in words is "twenty billion, five hundred twenty-two million, two hundred four thousand, twenty-three".