1420202555 has 8 divisors (see below), whose sum is σ = 1704513552. Its totient is φ = 1135981728.

The previous prime is 1420202533. The next prime is 1420202591. The reversal of 1420202555 is 5552020241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420202555 - 2⁸ = 1420202299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19112 + ... + 56618.

It is an arithmetic number, because the mean of its divisors is an integer number (213064194).

Almost surely, 2^1420202555 is an apocalyptic number.

1420202555 is a deficient number, since it is larger than the sum of its proper divisors (284310997).

1420202555 is an equidigital number, since it uses as much as digits as its factorization.

1420202555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45085.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1420202555 is about 37685.5748927889. The cubic root of 1420202555 is about 1124.0443057281.

Adding to 1420202555 its reverse (5552020241), we get a palindrome (6972222796).

The spelling of 1420202555 in words is "one billion, four hundred twenty million, two hundred two thousand, five hundred fifty-five".