202242240 has 84 divisors (see below), whose sum is σ = 695638944. Its totient is φ = 53930496.

The previous prime is 202242179. The next prime is 202242253. The reversal of 202242240 is 42242202.

202242240 is a `hidden beast` number, since 202 + 2 + 422 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32232 + ... + 37991.

It is an arithmetic number, because the mean of its divisors is an integer number (8281416).

Almost surely, 2^202242240 is an apocalyptic number.

202242240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202242240 is an abundant number, since it is smaller than the sum of its proper divisors (493396704).

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

202242240 is a wasteful number, since it uses less digits than its factorization.

202242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70246 (or 70233 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 202242240 is about 14221.1898236399. The cubic root of 202242240 is about 586.9808808069.

Adding to 202242240 its reverse (42242202), we get a palindrome (244484442).

The spelling of 202242240 in words is "two hundred two million, two hundred forty-two thousand, two hundred forty".