1430340020 has 24 divisors (see below), whose sum is σ = 3007372200. Its totient is φ = 571439232.

The previous prime is 1430340019. The next prime is 1430340029. The reversal of 1430340020 is 200430341.

It can be written as a sum of positive squares in 4 ways, for example, as 40094224 + 1390245796 = 6332^2 + 37286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430340029) 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, 26555 + ... + 59714.

It is an arithmetic number, because the mean of its divisors is an integer number (125307175).

Almost surely, 2^1430340020 is an apocalyptic number.

1430340020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430340020 is an abundant number, since it is smaller than the sum of its proper divisors (1577032180).

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

1430340020 is a wasteful number, since it uses less digits than its factorization.

1430340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87107 (or 87105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1430340020 is about 37819.8363296300. The cubic root of 1430340020 is about 1126.7124589926.

Adding to 1430340020 its reverse (200430341), we get a palindrome (1630770361).

The spelling of 1430340020 in words is "one billion, four hundred thirty million, three hundred forty thousand, twenty".