20030032 has 40 divisors (see below), whose sum is σ = 42943680. Its totient is φ = 8974080.

The previous prime is 20030027. The next prime is 20030053. The reversal of 20030032 is 23003002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12069 + ... + 13627.

It is an arithmetic number, because the mean of its divisors is an integer number (1073592).

Almost surely, 2^20030032 is an apocalyptic number.

20030032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20030032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21471840).

20030032 is an abundant number, since it is smaller than the sum of its proper divisors (22913648).

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

20030032 is a wasteful number, since it uses less digits than its factorization.

20030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20030032 is about 4475.4923751471. The cubic root of 20030032 is about 271.5775593606.

Adding to 20030032 its reverse (23003002), we get a palindrome (43033034).

The spelling of 20030032 in words is "twenty million, thirty thousand, thirty-two".