20032330 has 32 divisors (see below), whose sum is σ = 37895040. Its totient is φ = 7613760.

The previous prime is 20032321. The next prime is 20032351. The reversal of 20032330 is 3323002.

It is a self number, because there is not a number n which added to its sum of digits gives 20032330.

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, 18915 + ... + 19945.

It is an arithmetic number, because the mean of its divisors is an integer number (1184220).

Almost surely, 2^20032330 is an apocalyptic number.

20032330 is a deficient number, since it is larger than the sum of its proper divisors (17862710).

20032330 is a wasteful number, since it uses less digits than its factorization.

20032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 20032330 is about 4475.7490993129. The cubic root of 20032330 is about 271.5879447887.

Adding to 20032330 its reverse (3323002), we get a palindrome (23355332).

The spelling of 20032330 in words is "twenty million, thirty-two thousand, three hundred thirty".