20332222 has 8 divisors (see below), whose sum is σ = 30953736. Its totient is φ = 10014312.

The previous prime is 20332217. The next prime is 20332229. The reversal of 20332222 is 22223302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20332196 and 20332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75733 + ... + 76000.

It is an arithmetic number, because the mean of its divisors is an integer number (3869217).

Almost surely, 2^20332222 is an apocalyptic number.

20332222 is a deficient number, since it is larger than the sum of its proper divisors (10621514).

20332222 is a wasteful number, since it uses less digits than its factorization.

20332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151802.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 20332222 is about 4509.1265229532. The cubic root of 20332222 is about 272.9364976389.

Adding to 20332222 its reverse (22223302), we get a palindrome (42555524).

The spelling of 20332222 in words is "twenty million, three hundred thirty-two thousand, two hundred twenty-two".