1434323220 has 96 divisors (see below), whose sum is σ = 4424789376. Its totient is φ = 344256000.

The previous prime is 1434323207. The next prime is 1434323237. The reversal of 1434323220 is 223234341.

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, 55902 + ... + 77418.

It is an arithmetic number, because the mean of its divisors is an integer number (46091556).

Almost surely, 2^1434323220 is an apocalyptic number.

1434323220 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 1434323220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212394688).

1434323220 is an abundant number, since it is smaller than the sum of its proper divisors (2990466156).

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

1434323220 is a wasteful number, since it uses less digits than its factorization.

1434323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21641 (or 21639 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1434323220 is about 37872.4599148247. The cubic root of 1434323220 is about 1127.7573763924.

Adding to 1434323220 its reverse (223234341), we get a palindrome (1657557561).

The spelling of 1434323220 in words is "one billion, four hundred thirty-four million, three hundred twenty-three thousand, two hundred twenty".