202204040 has 32 divisors (see below), whose sum is σ = 474742080. Its totient is φ = 77364672.

The previous prime is 202204021. The next prime is 202204049. The reversal of 202204040 is 40402202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202204049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108974 + ... + 110813.

It is an arithmetic number, because the mean of its divisors is an integer number (14835690).

Almost surely, 2^202204040 is an apocalyptic number.

202204040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202204040 is an abundant number, since it is smaller than the sum of its proper divisors (272538040).

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

202204040 is a wasteful number, since it uses less digits than its factorization.

202204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219821 (or 219817 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 202204040 is about 14219.8466939697. The cubic root of 202204040 is about 586.9439216937.

Adding to 202204040 its reverse (40402202), we get a palindrome (242606242).

The spelling of 202204040 in words is "two hundred two million, two hundred four thousand, forty".