1420323120 has 80 divisors (see below), whose sum is σ = 4892231520. Its totient is φ = 378752256.

The previous prime is 1420323119. The next prime is 1420323133. The reversal of 1420323120 is 213230241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1420323093 and 1420323102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326619 + ... + 330938.

It is an arithmetic number, because the mean of its divisors is an integer number (61152894).

Almost surely, 2^1420323120 is an apocalyptic number.

1420323120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420323120 is an abundant number, since it is smaller than the sum of its proper divisors (3471908400).

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

1420323120 is a wasteful number, since it uses less digits than its factorization.

1420323120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657579 (or 657567 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1420323120 is about 37687.1744762061. The cubic root of 1420323120 is about 1124.0761125917.

Adding to 1420323120 its reverse (213230241), we get a palindrome (1633553361).

The spelling of 1420323120 in words is "one billion, four hundred twenty million, three hundred twenty-three thousand, one hundred twenty".