1420320235 has 16 divisors (see below), whose sum is σ = 1744071264. Its totient is φ = 1109984512.

The previous prime is 1420320197. The next prime is 1420320263. The reversal of 1420320235 is 5320230241.

It is not a de Polignac number, because 1420320235 - 2²⁷ = 1286102507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50244 + ... + 73246.

It is an arithmetic number, because the mean of its divisors is an integer number (109004454).

Almost surely, 2^1420320235 is an apocalyptic number.

1420320235 is a deficient number, since it is larger than the sum of its proper divisors (323751029).

1420320235 is a wasteful number, since it uses less digits than its factorization.

1420320235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23294.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1420320235 is about 37687.1362005658. The cubic root of 1420320235 is about 1124.0753515063.

Adding to 1420320235 its reverse (5320230241), we get a palindrome (6740550476).

The spelling of 1420320235 in words is "one billion, four hundred twenty million, three hundred twenty thousand, two hundred thirty-five".