20220110993 has 2 divisors, whose sum is σ = 20220110994. Its totient is φ = 20220110992.

The previous prime is 20220110983. The next prime is 20220111001. The reversal of 20220110993 is 39901102202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20029891729 + 190219264 = 141527^2 + 13792^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220110993 - 2¹⁰ = 20220109969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220110983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110055496 + 10110055497.

It is an arithmetic number, because the mean of its divisors is an integer number (10110055497).

Almost surely, 2^20220110993 is an apocalyptic number.

It is an amenable number.

20220110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220110993 is an equidigital number, since it uses as much as digits as its factorization.

20220110993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 20220110993 in words is "twenty billion, two hundred twenty million, one hundred ten thousand, nine hundred ninety-three".