20213213233303 has 16 divisors (see below), whose sum is σ = 20408188204800. Its totient is φ = 20019185751040.

The previous prime is 20213213233289. The next prime is 20213213233307. The reversal of 20213213233303 is 30333231231202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20213213233303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213213233307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210904128 + ... + 210999946.

It is an arithmetic number, because the mean of its divisors is an integer number (1275511762800).

Almost surely, 2^{20213213233303} is an apocalyptic number.

20213213233303 is a deficient number, since it is larger than the sum of its proper divisors (194974971497).

20213213233303 is a wasteful number, since it uses less digits than its factorization.

20213213233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100742.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 20213213233303 its reverse (30333231231202), we get a palindrome (50546444464505).

The spelling of 20213213233303 in words is "twenty trillion, two hundred thirteen billion, two hundred thirteen million, two hundred thirty-three thousand, three hundred three".