202022042 has 8 divisors (see below), whose sum is σ = 303164532. Its totient is φ = 100967200.

The previous prime is 202022021. The next prime is 202022053. The reversal of 202022042 is 240220202.

It can be written as a sum of positive squares in 2 ways, for example, as 194574601 + 7447441 = 13949^2 + 2729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15809 + ... + 25572.

Almost surely, 2^202022042 is an apocalyptic number.

202022042 is a deficient number, since it is larger than the sum of its proper divisors (101142490).

202022042 is a wasteful number, since it uses less digits than its factorization.

202022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43824.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 202022042 is about 14213.4458172535. The cubic root of 202022042 is about 586.7677717592.

Adding to 202022042 its reverse (240220202), we get a palindrome (442242244).

The spelling of 202022042 in words is "two hundred two million, twenty-two thousand, forty-two".