20221010213 has 8 divisors (see below), whose sum is σ = 21416107608. Its totient is φ = 19026537984.

The previous prime is 20221010203. The next prime is 20221010219. The reversal of 20221010213 is 31201012202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13585767364 + 6635242849 = 116558^2 + 81457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20221010213 - 2⁴ = 20221010197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221010219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88856 + ... + 219857.

It is an arithmetic number, because the mean of its divisors is an integer number (2677013451).

Almost surely, 2^20221010213 is an apocalyptic number.

It is an amenable number.

20221010213 is a deficient number, since it is larger than the sum of its proper divisors (1195097395).

20221010213 is a wasteful number, since it uses less digits than its factorization.

20221010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312583.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20221010213 its reverse (31201012202), we get a palindrome (51422022415).

The spelling of 20221010213 in words is "twenty billion, two hundred twenty-one million, ten thousand, two hundred thirteen".