20212326 has 36 divisors (see below), whose sum is σ = 44599308. Its totient is φ = 6615432.

The previous prime is 20212319. The next prime is 20212327. The reversal of 20212326 is 62321202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20212299 and 20212308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123921 + ... + 124083.

Almost surely, 2^20212326 is an apocalyptic number.

20212326 is an abundant number, since it is smaller than the sum of its proper divisors (24386982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212326 is a wasteful number, since it uses less digits than its factorization.

20212326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20212326 is about 4495.8120512317. The cubic root of 20212326 is about 272.3989513955.

Adding to 20212326 its reverse (62321202), we get a palindrome (82533528).

The spelling of 20212326 in words is "twenty million, two hundred twelve thousand, three hundred twenty-six".