202042122 has 32 divisors (see below), whose sum is σ = 417550848. Its totient is φ = 65133936.

The previous prime is 202042103. The next prime is 202042129. The reversal of 202042122 is 221240202.

It is not an unprimeable number, because it can be changed into a prime (202042129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22773 + ... + 30375.

It is an arithmetic number, because the mean of its divisors is an integer number (13048464).

Almost surely, 2^202042122 is an apocalyptic number.

202042122 is an abundant number, since it is smaller than the sum of its proper divisors (215508726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202042122 is a wasteful number, since it uses less digits than its factorization.

202042122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 202042122 is about 14214.1521730985. The cubic root of 202042122 is about 586.7872117279.

Adding to 202042122 its reverse (221240202), we get a palindrome (423282324).

The spelling of 202042122 in words is "two hundred two million, forty-two thousand, one hundred twenty-two".