2004040220 has 72 divisors (see below), whose sum is σ = 5272200864. Its totient is φ = 634241664.

The previous prime is 2004040211. The next prime is 2004040237. The reversal of 2004040220 is 220404002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2004040195 and 2004040204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65912 + ... + 91391.

It is an arithmetic number, because the mean of its divisors is an integer number (73225012).

Almost surely, 2^2004040220 is an apocalyptic number.

2004040220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004040220 is an abundant number, since it is smaller than the sum of its proper divisors (3268160644).

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

2004040220 is a wasteful number, since it uses less digits than its factorization.

2004040220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157339 (or 157330 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2004040220 is about 44766.5077932152. The cubic root of 2004040220 is about 1260.7688722901.

Adding to 2004040220 its reverse (220404002), we get a palindrome (2224444222).

The spelling of 2004040220 in words is "two billion, four million, forty thousand, two hundred twenty".