1420020211 has 8 divisors (see below), whose sum is σ = 1426138560. Its totient is φ = 1413912168.

The previous prime is 1420020209. The next prime is 1420020223. The reversal of 1420020211 is 1120200241.

It is a happy number.

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 1420020211 - 2¹ = 1420020209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420020191 and 1420020200.

It is not an unprimeable number, because it can be changed into a prime (1420020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399480 + ... + 403018.

It is an arithmetic number, because the mean of its divisors is an integer number (178267320).

Almost surely, 2^1420020211 is an apocalyptic number.

1420020211 is a deficient number, since it is larger than the sum of its proper divisors (6118349).

1420020211 is a wasteful number, since it uses less digits than its factorization.

1420020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1420020211 is about 37683.1555340048. The cubic root of 1420020211 is about 1123.9961972132.

Adding to 1420020211 its reverse (1120200241), we get a palindrome (2540220452).

The spelling of 1420020211 in words is "one billion, four hundred twenty million, twenty thousand, two hundred eleven".