42202020293 has 2 divisors, whose sum is σ = 42202020294. Its totient is φ = 42202020292.

The previous prime is 42202020253. The next prime is 42202020299. The reversal of 42202020293 is 39202020224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40178999809 + 2023020484 = 200447^2 + 44978^2 .

It is a cyclic number.

It is not a de Polignac number, because 42202020293 - 2³⁰ = 41128278469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42202020299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101010146 + 21101010147.

It is an arithmetic number, because the mean of its divisors is an integer number (21101010147).

Almost surely, 2^42202020293 is an apocalyptic number.

It is an amenable number.

42202020293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42202020293 is an equidigital number, since it uses as much as digits as its factorization.

42202020293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 42202020293 in words is "forty-two billion, two hundred two million, twenty thousand, two hundred ninety-three".