1434321220 has 24 divisors (see below), whose sum is σ = 3015067608. Its totient is φ = 573158400.

The previous prime is 1434321199. The next prime is 1434321221. The reversal of 1434321220 is 221234341.

It can be written as a sum of positive squares in 4 ways, for example, as 653006916 + 781314304 = 25554^2 + 27952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1434321191 and 1434321200.

It is not an unprimeable number, because it can be changed into a prime (1434321221) 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 7 ways as a sum of consecutive naturals, for example, 14701 + ... + 55540.

It is an arithmetic number, because the mean of its divisors is an integer number (125627817).

Almost surely, 2^1434321220 is an apocalyptic number.

1434321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434321220 is an abundant number, since it is smaller than the sum of its proper divisors (1580746388).

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

1434321220 is a wasteful number, since it uses less digits than its factorization.

1434321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71271 (or 71269 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1434321220 is about 37872.4335104044. The cubic root of 1434321220 is about 1127.7568522158.

Adding to 1434321220 its reverse (221234341), we get a palindrome (1655555561).

The spelling of 1434321220 in words is "one billion, four hundred thirty-four million, three hundred twenty-one thousand, two hundred twenty".