202042254 has 16 divisors (see below), whose sum is σ = 411709392. Its totient is φ = 66076608.

The previous prime is 202042231. The next prime is 202042259. The reversal of 202042254 is 452240202.

202042254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202042254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202042259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317359 + ... + 317994.

It is an arithmetic number, because the mean of its divisors is an integer number (25731837).

Almost surely, 2^202042254 is an apocalyptic number.

202042254 is an abundant number, since it is smaller than the sum of its proper divisors (209667138).

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

202042254 is a wasteful number, since it uses less digits than its factorization.

202042254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635411.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 202042254 is about 14214.1568163574. The cubic root of 202042254 is about 586.7873395162.

Adding to 202042254 its reverse (452240202), we get a palindrome (654282456).

The spelling of 202042254 in words is "two hundred two million, forty-two thousand, two hundred fifty-four".