202042222042 has 16 divisors (see below), whose sum is σ = 304278022440. Its totient is φ = 100616306688.

The previous prime is 202042222033. The next prime is 202042222043. The reversal of 202042222042 is 240222240202.

202042222042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196843956241 + 5198265801 = 443671^2 + 72099^2 .

It is not an unprimeable number, because it can be changed into a prime (202042222043) 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, 5861434 + ... + 5895802.

Almost surely, 2^202042222042 is an apocalyptic number.

202042222042 is a deficient number, since it is larger than the sum of its proper divisors (102235800398).

202042222042 is a wasteful number, since it uses less digits than its factorization.

202042222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46065.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202042222042 its reverse (240222240202), we get a palindrome (442264462244).

The spelling of 202042222042 in words is "two hundred two billion, forty-two million, two hundred twenty-two thousand, forty-two".