20221022020993 has 2 divisors, whose sum is σ = 20221022020994. Its totient is φ = 20221022020992.

The previous prime is 20221022020957. The next prime is 20221022021041. The reversal of 20221022020993 is 39902022012202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11106709324929 + 9114312696064 = 3332673^2 + 3018992^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221022020993 - 2³⁷ = 20083583067521 is a prime.

It is not a weakly prime, because it can be changed into another prime (20221022020943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110511010496 + 10110511010497.

It is an arithmetic number, because the mean of its divisors is an integer number (10110511010497).

Almost surely, 2^{20221022020993} is an apocalyptic number.

It is an amenable number.

20221022020993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221022020993 is an equidigital number, since it uses as much as digits as its factorization.

20221022020993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 20221022020993 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, twenty thousand, nine hundred ninety-three".