20132212 has 6 divisors (see below), whose sum is σ = 35231378. Its totient is φ = 10066104.

The previous prime is 20132201. The next prime is 20132219. The reversal of 20132212 is 21223102.

It can be written as a sum of positive squares in only one way, i.e., 18352656 + 1779556 = 4284^2 + 1334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20132192 and 20132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516523 + ... + 2516530.

Almost surely, 2^20132212 is an apocalyptic number.

It is an amenable number.

20132212 is a deficient number, since it is larger than the sum of its proper divisors (15099166).

20132212 is a wasteful number, since it uses less digits than its factorization.

20132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033057 (or 5033055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20132212 is about 4486.8933573242. The cubic root of 20132212 is about 272.0385794470.

Adding to 20132212 its reverse (21223102), we get a palindrome (41355314).

It can be divided in two parts, 2013 and 2212, that added together give a square (4225 = 65²).

The spelling of 20132212 in words is "twenty million, one hundred thirty-two thousand, two hundred twelve".