2003432220 has 36 divisors (see below), whose sum is σ = 6077078280. Its totient is φ = 534248544.

The previous prime is 2003432177. The next prime is 2003432231. The reversal of 2003432220 is 222343002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2003432193 and 2003432202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5564910 + ... + 5565269.

It is an arithmetic number, because the mean of its divisors is an integer number (168807730).

Almost surely, 2^2003432220 is an apocalyptic number.

2003432220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003432220 is an abundant number, since it is smaller than the sum of its proper divisors (4073646060).

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

2003432220 is a wasteful number, since it uses less digits than its factorization.

2003432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11130194 (or 11130189 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2003432220 is about 44759.7164870378. The cubic root of 2003432220 is about 1260.6413590463.

Adding to 2003432220 its reverse (222343002), we get a palindrome (2225775222).

The spelling of 2003432220 in words is "two billion, three million, four hundred thirty-two thousand, two hundred twenty".