2003143420 has 12 divisors (see below), whose sum is σ = 4206601224. Its totient is φ = 801257360.

The previous prime is 2003143357. The next prime is 2003143451. The reversal of 2003143420 is 243413002.

It is a super-2 number, since 2×2003143420² = 8025167122178592800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 50078566 + ... + 50078605.

It is an arithmetic number, because the mean of its divisors is an integer number (350550102).

Almost surely, 2^2003143420 is an apocalyptic number.

2003143420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003143420 is an abundant number, since it is smaller than the sum of its proper divisors (2203457804).

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

2003143420 is a wasteful number, since it uses less digits than its factorization.

2003143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100157180 (or 100157178 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2003143420 is about 44756.4902556043. The cubic root of 2003143420 is about 1260.5807812178.

Adding to 2003143420 its reverse (243413002), we get a palindrome (2246556422).

The spelling of 2003143420 in words is "two billion, three million, one hundred forty-three thousand, four hundred twenty".