1003430020 has 24 divisors (see below), whose sum is σ = 2126539800. Its totient is φ = 397688832.

The previous prime is 1003430011. The next prime is 1003430027. The reversal of 1003430020 is 200343001.

It can be written as a sum of positive squares in 4 ways, for example, as 46022656 + 957407364 = 6784^2 + 30942^2 .

It is not an unprimeable number, because it can be changed into a prime (1003430027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227965 + ... + 232324.

It is an arithmetic number, because the mean of its divisors is an integer number (88605825).

Almost surely, 2^1003430020 is an apocalyptic number.

1003430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003430020 is an abundant number, since it is smaller than the sum of its proper divisors (1123109780).

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

1003430020 is a wasteful number, since it uses less digits than its factorization.

1003430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460407 (or 460405 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1003430020 is about 31676.9635539772. The cubic root of 1003430020 is about 1001.1420352590.

Adding to 1003430020 its reverse (200343001), we get a palindrome (1203773021).

The spelling of 1003430020 in words is "one billion, three million, four hundred thirty thousand, twenty".