20032110 has 80 divisors (see below), whose sum is σ = 61576416. Its totient is φ = 4577472.

The previous prime is 20032097. The next prime is 20032141. The reversal of 20032110 is 1123002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20032092 and 20032101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3904 + ... + 7436.

Almost surely, 2^20032110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20032110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30788208).

20032110 is an abundant number, since it is smaller than the sum of its proper divisors (41544306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20032110 is a wasteful number, since it uses less digits than its factorization.

20032110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3550 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 20032110 is about 4475.7245223539. The cubic root of 20032110 is about 271.5869505697.

Adding to 20032110 its reverse (1123002), we get a palindrome (21155112).

The spelling of 20032110 in words is "twenty million, thirty-two thousand, one hundred ten".