20213332213 has 16 divisors (see below), whose sum is σ = 21214273536. Its totient is φ = 19222766640.

The previous prime is 20213332207. The next prime is 20213332301. The reversal of 20213332213 is 31223331202.

It is a cyclic number.

It is not a de Polignac number, because 20213332213 - 2²¹ = 20211235061 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 (20213332313) 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, 6904356 + ... + 6907282.

It is an arithmetic number, because the mean of its divisors is an integer number (1325892096).

Almost surely, 2^20213332213 is an apocalyptic number.

20213332213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20213332213 is a deficient number, since it is larger than the sum of its proper divisors (1000941323).

20213332213 is a wasteful number, since it uses less digits than its factorization.

20213332213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20213332213 its reverse (31223331202), we get a palindrome (51436663415).

The spelling of 20213332213 in words is "twenty billion, two hundred thirteen million, three hundred thirty-two thousand, two hundred thirteen".