22020201213 has 4 divisors (see below), whose sum is σ = 29360268288. Its totient is φ = 14680134140.

The previous prime is 22020201179. The next prime is 22020201223. The reversal of 22020201213 is 31210202022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22020201213 - 2¹³ = 22020193021 is a prime.

It is a super-2 number, since 2×22020201213² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22020201192 and 22020201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020201223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3670033533 + ... + 3670033538.

It is an arithmetic number, because the mean of its divisors is an integer number (7340067072).

Almost surely, 2^22020201213 is an apocalyptic number.

It is an amenable number.

22020201213 is a deficient number, since it is larger than the sum of its proper divisors (7340067075).

22020201213 is an equidigital number, since it uses as much as digits as its factorization.

22020201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340067074.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22020201213 its reverse (31210202022), we get a palindrome (53230403235).

The spelling of 22020201213 in words is "twenty-two billion, twenty million, two hundred one thousand, two hundred thirteen".