1420034320 has 20 divisors (see below), whose sum is σ = 3301579980. Its totient is φ = 568013696.

The previous prime is 1420034251. The next prime is 1420034377. The reversal of 1420034320 is 234300241.

It can be written as a sum of positive squares in 2 ways, for example, as 263218176 + 1156816144 = 16224^2 + 34012^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 8875135 + ... + 8875294.

It is an arithmetic number, because the mean of its divisors is an integer number (165078999).

Almost surely, 2^1420034320 is an apocalyptic number.

1420034320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420034320 is an abundant number, since it is smaller than the sum of its proper divisors (1881545660).

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

1420034320 is a wasteful number, since it uses less digits than its factorization.

1420034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17750442 (or 17750436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1420034320 is about 37683.3427391998. The cubic root of 1420034320 is about 1123.9999197916. Note that the first 4 decimals are identical.

Adding to 1420034320 its reverse (234300241), we get a palindrome (1654334561).

The spelling of 1420034320 in words is "one billion, four hundred twenty million, thirty-four thousand, three hundred twenty".