1420233213 has 16 divisors (see below), whose sum is σ = 2165596160. Its totient is φ = 811025136.

The previous prime is 1420233203. The next prime is 1420233229. The reversal of 1420233213 is 3123320241.

It is not a de Polignac number, because 1420233213 - 2¹⁴ = 1420216829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1420233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420233203) 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 15 ways as a sum of consecutive naturals, for example, 11328 + ... + 54486.

It is an arithmetic number, because the mean of its divisors is an integer number (135349760).

Almost surely, 2^1420233213 is an apocalyptic number.

It is an amenable number.

1420233213 is a deficient number, since it is larger than the sum of its proper divisors (745362947).

1420233213 is a wasteful number, since it uses less digits than its factorization.

1420233213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44736.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1420233213 is about 37685.9816510065. The cubic root of 1420233213 is about 1124.0523939411.

Adding to 1420233213 its reverse (3123320241), we get a palindrome (4543553454).

The spelling of 1420233213 in words is "one billion, four hundred twenty million, two hundred thirty-three thousand, two hundred thirteen".