20020112210993 has 2 divisors, whose sum is σ = 20020112210994. Its totient is φ = 20020112210992.

The previous prime is 20020112210971. The next prime is 20020112211023. The reversal of 20020112210993 is 39901221102002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12584848485169 + 7435263725824 = 3547513^2 + 2726768^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020112210993 - 2⁶ = 20020112210929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020112210953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010056105496 + 10010056105497.

It is an arithmetic number, because the mean of its divisors is an integer number (10010056105497).

Almost surely, 2^{20020112210993} is an apocalyptic number.

It is an amenable number.

20020112210993 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020112210993 is an equidigital number, since it uses as much as digits as its factorization.

20020112210993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

Adding to 20020112210993 its reverse (39901221102002), we get a palindrome (59921333312995).

The spelling of 20020112210993 in words is "twenty trillion, twenty billion, one hundred twelve million, two hundred ten thousand, nine hundred ninety-three".