1420303120 has 20 divisors (see below), whose sum is σ = 3302204940. Its totient is φ = 568121216.

The previous prime is 1420303117. The next prime is 1420303133. The reversal of 1420303120 is 213030241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 669981456 + 750321664 = 25884^2 + 27392^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1420303094 and 1420303103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8876815 + ... + 8876974.

It is an arithmetic number, because the mean of its divisors is an integer number (165110247).

Almost surely, 2^1420303120 is an apocalyptic number.

1420303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420303120 is an abundant number, since it is smaller than the sum of its proper divisors (1881901820).

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

1420303120 is a wasteful number, since it uses less digits than its factorization.

1420303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17753802 (or 17753796 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1420303120 is about 37686.9091330133. The cubic root of 1420303120 is about 1124.0708364149.

Adding to 1420303120 its reverse (213030241), we get a palindrome (1633333361).

The spelling of 1420303120 in words is "one billion, four hundred twenty million, three hundred three thousand, one hundred twenty".