20234402 has 32 divisors (see below), whose sum is σ = 32901120. Its totient is φ = 9313920.

The previous prime is 20234387. The next prime is 20234429. The reversal of 20234402 is 20443202.

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, 159263 + ... + 159389.

It is an arithmetic number, because the mean of its divisors is an integer number (1028160).

Almost surely, 2^20234402 is an apocalyptic number.

20234402 is a deficient number, since it is larger than the sum of its proper divisors (12666718).

20234402 is a wasteful number, since it uses less digits than its factorization.

20234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20234402 is about 4498.2665550187. The cubic root of 20234402 is about 272.4980871285.

Adding to 20234402 its reverse (20443202), we get a palindrome (40677604).

The spelling of 20234402 in words is "twenty million, two hundred thirty-four thousand, four hundred two".