20122232 has 32 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 9229440.

The previous prime is 20122213. The next prime is 20122241. The reversal of 20122232 is 23222102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19358 + ... + 20370.

It is an arithmetic number, because the mean of its divisors is an integer number (1277640).

Almost surely, 2^20122232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20442240).

20122232 is an abundant number, since it is smaller than the sum of its proper divisors (20762248).

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

20122232 is a wasteful number, since it uses less digits than its factorization.

20122232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20122232 is about 4485.7810914043. The cubic root of 20122232 is about 271.9936200926.

Adding to 20122232 its reverse (23222102), we get a palindrome (43344334).

The spelling of 20122232 in words is "twenty million, one hundred twenty-two thousand, two hundred thirty-two".