20023330 has 8 divisors (see below), whose sum is σ = 36042012. Its totient is φ = 8009328.

The previous prime is 20023313. The next prime is 20023343. The reversal of 20023330 is 3332002.

It can be written as a sum of positive squares in 2 ways, for example, as 19989841 + 33489 = 4471^2 + 183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20023330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001157 + ... + 1001176.

Almost surely, 2^20023330 is an apocalyptic number.

20023330 is a deficient number, since it is larger than the sum of its proper divisors (16018682).

20023330 is a wasteful number, since it uses less digits than its factorization.

20023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002340.

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

The square root of 20023330 is about 4474.7435680718. The cubic root of 20023330 is about 271.5472662514.

Adding to 20023330 its reverse (3332002), we get a palindrome (23355332).

The spelling of 20023330 in words is "twenty million, twenty-three thousand, three hundred thirty".