202011442 has 16 divisors (see below), whose sum is σ = 322818912. Its totient is φ = 94478400.

The previous prime is 202011437. The next prime is 202011449. The reversal of 202011442 is 244110202.

It is not an unprimeable number, because it can be changed into a prime (202011449) 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, 12684 + ... + 23767.

It is an arithmetic number, because the mean of its divisors is an integer number (20176182).

Almost surely, 2^202011442 is an apocalyptic number.

202011442 is a deficient number, since it is larger than the sum of its proper divisors (120807470).

202011442 is a wasteful number, since it uses less digits than its factorization.

202011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36633.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 202011442 is about 14213.0729260072. The cubic root of 202011442 is about 586.7575091048.

Adding to 202011442 its reverse (244110202), we get a palindrome (446121644).

The spelling of 202011442 in words is "two hundred two million, eleven thousand, four hundred forty-two".