202320434 has 16 divisors (see below), whose sum is σ = 321920568. Its totient is φ = 95035392.

The previous prime is 202320421. The next prime is 202320457. The reversal of 202320434 is 434023202.

202320434 is digitally balanced in base 3, 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 4 ways, for example, as 201554809 + 765625 = 14197^2 + 875^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14462 + ... + 24774.

Almost surely, 2^202320434 is an apocalyptic number.

202320434 is a deficient number, since it is larger than the sum of its proper divisors (119600134).

202320434 is a wasteful number, since it uses less digits than its factorization.

202320434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 202320434 is about 14223.9387653350. The cubic root of 202320434 is about 587.0565202463.

Adding to 202320434 its reverse (434023202), we get a palindrome (636343636).

The spelling of 202320434 in words is "two hundred two million, three hundred twenty thousand, four hundred thirty-four".