20202042 has 16 divisors (see below), whose sum is σ = 46176192. Its totient is φ = 5772000.

The previous prime is 20202031. The next prime is 20202071. The reversal of 20202042 is 24020202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240459 + ... + 240542.

It is an arithmetic number, because the mean of its divisors is an integer number (2886012).

Almost surely, 2^20202042 is an apocalyptic number.

20202042 is an abundant number, since it is smaller than the sum of its proper divisors (25974150).

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

20202042 is a wasteful number, since it uses less digits than its factorization.

20202042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481013.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 20202042 is about 4494.6681746265. The cubic root of 20202042 is about 272.3527448372.

Adding to 20202042 its reverse (24020202), we get a palindrome (44222244).

The spelling of 20202042 in words is "twenty million, two hundred two thousand, forty-two".