20220620239969 has 2 divisors, whose sum is σ = 20220620239970. Its totient is φ = 20220620239968.

The previous prime is 20220620239931. The next prime is 20220620240003. The reversal of 20220620239969 is 96993202602202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17854216430625 + 2366403809344 = 4225425^2 + 1538312^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220620239969 is a prime.

It is a super-2 number, since 2×20220620239969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20220620239769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110310119984 + 10110310119985.

It is an arithmetic number, because the mean of its divisors is an integer number (10110310119985).

Almost surely, 2^{20220620239969} is an apocalyptic number.

It is an amenable number.

20220620239969 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220620239969 is an equidigital number, since it uses as much as digits as its factorization.

20220620239969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 20220620239969 in words is "twenty trillion, two hundred twenty billion, six hundred twenty million, two hundred thirty-nine thousand, nine hundred sixty-nine".