20020140220373 has 2 divisors, whose sum is σ = 20020140220374. Its totient is φ = 20020140220372.

The previous prime is 20020140220349. The next prime is 20020140220459. The reversal of 20020140220373 is 37302204102002.

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., 17409530935729 + 2610609284644 = 4172473^2 + 1615738^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020140220373 - 2⁴² = 15622093709269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020140220973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010070110186 + 10010070110187.

It is an arithmetic number, because the mean of its divisors is an integer number (10010070110187).

Almost surely, 2^{20020140220373} is an apocalyptic number.

It is an amenable number.

20020140220373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020140220373 is an equidigital number, since it uses as much as digits as its factorization.

20020140220373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 20020140220373 its reverse (37302204102002), we get a palindrome (57322344322375).

The spelling of 20020140220373 in words is "twenty trillion, twenty billion, one hundred forty million, two hundred twenty thousand, three hundred seventy-three".