20330032 has 10 divisors (see below), whose sum is σ = 39389468. Its totient is φ = 10165008.

The previous prime is 20329993. The next prime is 20330047. The reversal of 20330032 is 23003302.

It is a super-2 number, since 2×20330032² = 826620402242048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20329994 and 20330021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635298 + ... + 635329.

Almost surely, 2^20330032 is an apocalyptic number.

It is an amenable number.

20330032 is a deficient number, since it is larger than the sum of its proper divisors (19059436).

20330032 is a wasteful number, since it uses less digits than its factorization.

20330032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270635 (or 1270629 counting only the distinct ones).

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

The square root of 20330032 is about 4508.8836755898. The cubic root of 20330032 is about 272.9266978838.

Adding to 20330032 its reverse (23003302), we get a palindrome (43333334).

The spelling of 20330032 in words is "twenty million, three hundred thirty thousand, thirty-two".