20002022019949 has 2 divisors, whose sum is σ = 20002022019950. Its totient is φ = 20002022019948.

The previous prime is 20002022019883. The next prime is 20002022020003. The reversal of 20002022019949 is 94991022020002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13468298126724 + 6533723893225 = 3669918^2 + 2556115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002022019949 - 2²⁵ = 20001988465517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002022019649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001011009974 + 10001011009975.

It is an arithmetic number, because the mean of its divisors is an integer number (10001011009975).

Almost surely, 2^{20002022019949} is an apocalyptic number.

It is an amenable number.

20002022019949 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002022019949 is an equidigital number, since it uses as much as digits as its factorization.

20002022019949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 20002022019949 in words is "twenty trillion, two billion, twenty-two million, nineteen thousand, nine hundred forty-nine".