1420320404 has 12 divisors (see below), whose sum is σ = 2522659104. Its totient is φ = 699560664.

The previous prime is 1420320383. The next prime is 1420320413. The reversal of 1420320404 is 4040230241.

It is a congruent number.

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, 2649584 + ... + 2650119.

It is an arithmetic number, because the mean of its divisors is an integer number (210221592).

Almost surely, 2^1420320404 is an apocalyptic number.

It is an amenable number.

1420320404 is a deficient number, since it is larger than the sum of its proper divisors (1102338700).

1420320404 is a wasteful number, since it uses less digits than its factorization.

1420320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299774 (or 5299772 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1420320404 is about 37687.1384427101. The cubic root of 1420320404 is about 1124.0753960898.

Adding to 1420320404 its reverse (4040230241), we get a palindrome (5460550645).

The spelling of 1420320404 in words is "one billion, four hundred twenty million, three hundred twenty thousand, four hundred four".