1434431220 has 96 divisors (see below), whose sum is σ = 4307748480. Its totient is φ = 355530240.

The previous prime is 1434431197. The next prime is 1434431231. The reversal of 1434431220 is 221344341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48550 + ... + 72290.

It is an arithmetic number, because the mean of its divisors is an integer number (44872380).

Almost surely, 2^1434431220 is an apocalyptic number.

1434431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1434431220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153874240).

1434431220 is an abundant number, since it is smaller than the sum of its proper divisors (2873317260).

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

1434431220 is a wasteful number, since it uses less digits than its factorization.

1434431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23825 (or 23823 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1434431220 is about 37873.8857261834. The cubic root of 1434431220 is about 1127.7856812027.

Adding to 1434431220 its reverse (221344341), we get a palindrome (1655775561).

The spelling of 1434431220 in words is "one billion, four hundred thirty-four million, four hundred thirty-one thousand, two hundred twenty".