20332211201213 has 2 divisors, whose sum is σ = 20332211201214. Its totient is φ = 20332211201212.

The previous prime is 20332211201191. The next prime is 20332211201273. The reversal of 20332211201213 is 31210211223302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16526485217284 + 3805725983929 = 4065278^2 + 1950827^2 .

It is a cyclic number.

It is not a de Polignac number, because 20332211201213 - 2⁴² = 15934164690109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20332211201273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166105600606 + 10166105600607.

It is an arithmetic number, because the mean of its divisors is an integer number (10166105600607).

Almost surely, 2^{20332211201213} is an apocalyptic number.

It is an amenable number.

20332211201213 is a deficient number, since it is larger than the sum of its proper divisors (1).

20332211201213 is an equidigital number, since it uses as much as digits as its factorization.

20332211201213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20332211201213 its reverse (31210211223302), we get a palindrome (51542422424515).

The spelling of 20332211201213 in words is "twenty trillion, three hundred thirty-two billion, two hundred eleven million, two hundred one thousand, two hundred thirteen".