22020351394927 has 2 divisors, whose sum is σ = 22020351394928. Its totient is φ = 22020351394926.

The previous prime is 22020351394903. The next prime is 22020351394939. The reversal of 22020351394927 is 72949315302022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22020351394927 - 2¹⁵ = 22020351362159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020351394957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010175697463 + 11010175697464.

It is an arithmetic number, because the mean of its divisors is an integer number (11010175697464).

Almost surely, 2^{22020351394927} is an apocalyptic number.

22020351394927 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020351394927 is an equidigital number, since it uses as much as digits as its factorization.

22020351394927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

Adding to 22020351394927 its reverse (72949315302022), we get a palindrome (94969666696949).

The spelling of 22020351394927 in words is "twenty-two trillion, twenty billion, three hundred fifty-one million, three hundred ninety-four thousand, nine hundred twenty-seven".