201022013 has 2 divisors, whose sum is σ = 201022014. Its totient is φ = 201022012.

The previous prime is 201022007. The next prime is 201022037. The reversal of 201022013 is 310220102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200448964 + 573049 = 14158^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 201022013 - 2¹⁸ = 200759869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201021985 and 201022003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201022313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511006 + 100511007.

It is an arithmetic number, because the mean of its divisors is an integer number (100511007).

Almost surely, 2^201022013 is an apocalyptic number.

It is an amenable number.

201022013 is a deficient number, since it is larger than the sum of its proper divisors (1).

201022013 is an equidigital number, since it uses as much as digits as its factorization.

201022013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201022013 is about 14178.2231961554. The cubic root of 201022013 is about 585.7979837304.

Adding to 201022013 its reverse (310220102), we get a palindrome (511242115).

The spelling of 201022013 in words is "two hundred one million, twenty-two thousand, thirteen".