20034430 has 16 divisors (see below), whose sum is σ = 38836224. Its totient is φ = 7397280.

The previous prime is 20034397. The next prime is 20034433. The reversal of 20034430 is 3443002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76926 + ... + 77185.

It is an arithmetic number, because the mean of its divisors is an integer number (2427264).

Almost surely, 2^20034430 is an apocalyptic number.

20034430 is a deficient number, since it is larger than the sum of its proper divisors (18801794).

20034430 is a wasteful number, since it uses less digits than its factorization.

20034430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154131.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20034430 is about 4475.9836907656. The cubic root of 20034430 is about 271.5974346942.

Adding to 20034430 its reverse (3443002), we get a palindrome (23477432).

The spelling of 20034430 in words is "twenty million, thirty-four thousand, four hundred thirty".