1420666502 has 4 divisors (see below), whose sum is σ = 2130999756. Its totient is φ = 710333250.

The previous prime is 1420666493. The next prime is 1420666531. The reversal of 1420666502 is 2056660241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355166624 + ... + 355166627.

It is an arithmetic number, because the mean of its divisors is an integer number (532749939).

Almost surely, 2^1420666502 is an apocalyptic number.

1420666502 is a deficient number, since it is larger than the sum of its proper divisors (710333254).

1420666502 is an equidigital number, since it uses as much as digits as its factorization.

1420666502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710333253.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1420666502 is about 37691.7298886639. The cubic root of 1420666502 is about 1124.1666920748.

It can be divided in two parts, 14206 and 66502, that added together give a palindrome (80708).

The spelling of 1420666502 in words is "one billion, four hundred twenty million, six hundred sixty-six thousand, five hundred two".