20022101122073 has 2 divisors, whose sum is σ = 20022101122074. Its totient is φ = 20022101122072.

The previous prime is 20022101122019. The next prime is 20022101122147. The reversal of 20022101122073 is 37022110122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12400349516569 + 7621751605504 = 3521413^2 + 2760752^2 .

It is a cyclic number.

It is not a de Polignac number, because 20022101122073 - 2²² = 20022096927769 is a prime.

It is not a weakly prime, because it can be changed into another prime (20022101122873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011050561036 + 10011050561037.

It is an arithmetic number, because the mean of its divisors is an integer number (10011050561037).

Almost surely, 2^{20022101122073} is an apocalyptic number.

It is an amenable number.

20022101122073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022101122073 is an equidigital number, since it uses as much as digits as its factorization.

20022101122073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 20022101122073 its reverse (37022110122002), we get a palindrome (57044211244075).

The spelling of 20022101122073 in words is "twenty trillion, twenty-two billion, one hundred one million, one hundred twenty-two thousand, seventy-three".