20222013 has 16 divisors (see below), whose sum is σ = 31809536. Its totient is φ = 11182320.

The previous prime is 20222011. The next prime is 20222021. The reversal of 20222013 is 31022202.

It is not a de Polignac number, because 20222013 - 2¹ = 20222011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14881 + ... + 16182.

It is an arithmetic number, because the mean of its divisors is an integer number (1988096).

Almost surely, 2^20222013 is an apocalyptic number.

It is an amenable number.

20222013 is a deficient number, since it is larger than the sum of its proper divisors (11587523).

20222013 is a wasteful number, since it uses less digits than its factorization.

20222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31104.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20222013 is about 4496.8892581428. The cubic root of 20222013 is about 272.4424612684.

Adding to 20222013 its reverse (31022202), we get a palindrome (51244215).

The spelling of 20222013 in words is "twenty million, two hundred twenty-two thousand, thirteen".