1420366720 has 32 divisors (see below), whose sum is σ = 3395565720. Its totient is φ = 568146432.

The previous prime is 1420366699. The next prime is 1420366729. The reversal of 1420366720 is 276630241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420366729) by changing a digit.

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, 1109022 + ... + 1110301.

Almost surely, 2^1420366720 is an apocalyptic number.

1420366720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420366720 is an abundant number, since it is smaller than the sum of its proper divisors (1975199000).

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

1420366720 is an equidigital number, since it uses as much as digits as its factorization.

1420366720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219342 (or 2219330 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1420366720 is about 37687.7529178910. The cubic root of 1420366720 is about 1124.0876144855.

Adding to 1420366720 its reverse (276630241), we get a palindrome (1696996961).

The spelling of 1420366720 in words is "one billion, four hundred twenty million, three hundred sixty-six thousand, seven hundred twenty".