1420203344 has 40 divisors (see below), whose sum is σ = 3189045888. Its totient is φ = 600082560.

The previous prime is 1420203329. The next prime is 1420203353. The reversal of 1420203344 is 4433020241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81347 + ... + 97250.

Almost surely, 2^1420203344 is an apocalyptic number.

1420203344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1420203344 is an abundant number, since it is smaller than the sum of its proper divisors (1768842544).

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

1420203344 is a wasteful number, since it uses less digits than its factorization.

1420203344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178683 (or 178677 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1420203344 is about 37685.5853609838. The cubic root of 1420203344 is about 1124.0445138841.

Adding to 1420203344 its reverse (4433020241), we get a palindrome (5853223585).

The spelling of 1420203344 in words is "one billion, four hundred twenty million, two hundred three thousand, three hundred forty-four".