2002204020 has 48 divisors (see below), whose sum is σ = 5673729600. Its totient is φ = 527486976.

The previous prime is 2002204007. The next prime is 2002204049. The reversal of 2002204020 is 204022002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2002203987 and 2002204005.

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 15 ways as a sum of consecutive naturals, for example, 196045 + ... + 206004.

It is an arithmetic number, because the mean of its divisors is an integer number (118202700).

Almost surely, 2^2002204020 is an apocalyptic number.

2002204020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002204020 is an abundant number, since it is smaller than the sum of its proper divisors (3671525580).

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

2002204020 is a wasteful number, since it uses less digits than its factorization.

2002204020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402144 (or 402142 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2002204020 is about 44745.9944576048. The cubic root of 2002204020 is about 1260.3836951886.

Adding to 2002204020 its reverse (204022002), we get a palindrome (2206226022).

The spelling of 2002204020 in words is "two billion, two million, two hundred four thousand, twenty".