32030020 has 96 divisors (see below), whose sum is σ = 77728896. Its totient is φ = 10982400.

The previous prime is 32030003. The next prime is 32030027. The reversal of 32030020 is 2003023.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 32029979 and 32030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32030027) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 478027 + ... + 478093.

It is an arithmetic number, because the mean of its divisors is an integer number (809676).

Almost surely, 2^32030020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38864448).

32030020 is an abundant number, since it is smaller than the sum of its proper divisors (45698876).

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

32030020 is a wasteful number, since it uses less digits than its factorization.

32030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 179 counting only the distinct ones).

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

The square root of 32030020 is about 5659.5070456710. The cubic root of 32030020 is about 317.5794580720.

Adding to 32030020 its reverse (2003023), we get a palindrome (34033043).

The spelling of 32030020 in words is "thirty-two million, thirty thousand, twenty".