20213327 has 6 divisors (see below), whose sum is σ = 20406672. Its totient is φ = 20021792.

The previous prime is 20213317. The next prime is 20213351. The reversal of 20213327 is 72331202.

It is not a de Polignac number, because 20213327 - 2⁸ = 20213071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20213299 and 20213308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213317) 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, 11978 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (3401112).

Almost surely, 2^20213327 is an apocalyptic number.

20213327 is a deficient number, since it is larger than the sum of its proper divisors (193345).

20213327 is an equidigital number, since it uses as much as digits as its factorization.

20213327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1696 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20213327 is about 4495.9233756816. The cubic root of 20213327 is about 272.4034481046.

Adding to 20213327 its reverse (72331202), we get a palindrome (92544529).

The spelling of 20213327 in words is "twenty million, two hundred thirteen thousand, three hundred twenty-seven".