20232434 has 16 divisors (see below), whose sum is σ = 31333176. Its totient is φ = 9792000.

The previous prime is 20232427. The next prime is 20232437. The reversal of 20232434 is 43423202.

It can be written as a sum of positive squares in 4 ways, for example, as 9030025 + 11202409 = 3005^2 + 3347^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20232437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10334 + ... + 12134.

Almost surely, 2^20232434 is an apocalyptic number.

20232434 is a deficient number, since it is larger than the sum of its proper divisors (11100742).

20232434 is a wasteful number, since it uses less digits than its factorization.

20232434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

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

The square root of 20232434 is about 4498.0477987678. The cubic root of 20232434 is about 272.4892524448.

Adding to 20232434 its reverse (43423202), we get a palindrome (63655636).

The spelling of 20232434 in words is "twenty million, two hundred thirty-two thousand, four hundred thirty-four".