201220303323213 has 6 divisors (see below), whose sum is σ = 290651549244654. Its totient is φ = 134146868882136.

The previous prime is 201220303323203. The next prime is 201220303323229. The reversal of 201220303323213 is 312323303022102.

201220303323213 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 2 + 0 + 3 + 0 + 332 + 321 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 192876599552004 + 8343703771209 = 13888002^2 + 2888547^2 .

It is not a de Polignac number, because 201220303323213 - 2²⁵ = 201220269768781 is a prime.

It is a super-2 number, since 2×201220303323213² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201220303323203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11178905740170 + ... + 11178905740187.

It is an arithmetic number, because the mean of its divisors is an integer number (48441924874109).

Almost surely, 2^{201220303323213} is an apocalyptic number.

It is an amenable number.

201220303323213 is a deficient number, since it is larger than the sum of its proper divisors (89431245921441).

201220303323213 is a wasteful number, since it uses less digits than its factorization.

201220303323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22357811480363 (or 22357811480360 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 201220303323213 its reverse (312323303022102), we get a palindrome (513543606345315).

The spelling of 201220303323213 in words is "two hundred one trillion, two hundred twenty billion, three hundred three million, three hundred twenty-three thousand, two hundred thirteen".