200402434 has 24 divisors (see below), whose sum is σ = 315004788. Its totient is φ = 95584320.

The previous prime is 200402429. The next prime is 200402437. The reversal of 200402434 is 434204002.

200402434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 189200025 + 11202409 = 13755^2 + 3347^2 .

It is a super-2 number, since 2×200402434² = 80322271106248712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200402437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144424 + ... + 145804.

Almost surely, 2^200402434 is an apocalyptic number.

200402434 is a deficient number, since it is larger than the sum of its proper divisors (114602354).

200402434 is a wasteful number, since it uses less digits than its factorization.

200402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 200402434 is about 14156.3566640573. The cubic root of 200402434 is about 585.1955262356.

Adding to 200402434 its reverse (434204002), we get a palindrome (634606436).

The spelling of 200402434 in words is "two hundred million, four hundred two thousand, four hundred thirty-four".