1430144020 has 12 divisors (see below), whose sum is σ = 3003302484. Its totient is φ = 572057600.

The previous prime is 1430143991. The next prime is 1430144021. The reversal of 1430144020 is 204410341.

It can be written as a sum of positive squares in 2 ways, for example, as 439405444 + 990738576 = 20962^2 + 31476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430144021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35753581 + ... + 35753620.

It is an arithmetic number, because the mean of its divisors is an integer number (250275207).

Almost surely, 2^1430144020 is an apocalyptic number.

1430144020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1430144020 is an abundant number, since it is smaller than the sum of its proper divisors (1573158464).

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

1430144020 is a wasteful number, since it uses less digits than its factorization.

1430144020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71507210 (or 71507208 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1430144020 is about 37817.2450080648. The cubic root of 1430144020 is about 1126.6609920391.

Adding to 1430144020 its reverse (204410341), we get a palindrome (1634554361).

The spelling of 1430144020 in words is "one billion, four hundred thirty million, one hundred forty-four thousand, twenty".