200242434 has 32 divisors (see below), whose sum is σ = 458173440. Its totient is φ = 57152592.

The previous prime is 200242421. The next prime is 200242453. The reversal of 200242434 is 434242002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 200242434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52897 + ... + 56555.

It is an arithmetic number, because the mean of its divisors is an integer number (14317920).

Almost surely, 2^200242434 is an apocalyptic number.

200242434 is an abundant number, since it is smaller than the sum of its proper divisors (257931006).

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

200242434 is a wasteful number, since it uses less digits than its factorization.

200242434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 200242434 is about 14150.7043640944. The cubic root of 200242434 is about 585.0397460029.

Adding to 200242434 its reverse (434242002), we get a palindrome (634484436).

The spelling of 200242434 in words is "two hundred million, two hundred forty-two thousand, four hundred thirty-four".