1434031220 has 12 divisors (see below), whose sum is σ = 3011465604. Its totient is φ = 573612480.

The previous prime is 1434031189. The next prime is 1434031253. The reversal of 1434031220 is 221304341.

It can be written as a sum of positive squares in 2 ways, for example, as 524043664 + 909987556 = 22892^2 + 30166^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 71701561 = 1434031220 / (1 + 4 + 3 + 4 + 0 + 3 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1434031192 and 1434031201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35850761 + ... + 35850800.

It is an arithmetic number, because the mean of its divisors is an integer number (250955467).

Almost surely, 2^1434031220 is an apocalyptic number.

1434031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434031220 is an abundant number, since it is smaller than the sum of its proper divisors (1577434384).

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

1434031220 is a wasteful number, since it uses less digits than its factorization.

1434031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71701570 (or 71701568 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1434031220 is about 37868.6046745850. The cubic root of 1434031220 is about 1127.6808414574.

Adding to 1434031220 its reverse (221304341), we get a palindrome (1655335561).

The spelling of 1434031220 in words is "one billion, four hundred thirty-four million, thirty-one thousand, two hundred twenty".