20022243 has 8 divisors (see below), whose sum is σ = 28266768. Its totient is φ = 12562944.

The previous prime is 20022239. The next prime is 20022269. The reversal of 20022243 is 34222002.

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

It is not a de Polignac number, because 20022243 - 2² = 20022239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196246 + ... + 196347.

It is an arithmetic number, because the mean of its divisors is an integer number (3533346).

Almost surely, 2^20022243 is an apocalyptic number.

20022243 is a deficient number, since it is larger than the sum of its proper divisors (8244525).

20022243 is a wasteful number, since it uses less digits than its factorization.

20022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392613.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20022243 is about 4474.6221069494. The cubic root of 20022243 is about 271.5423523631.

Adding to 20022243 its reverse (34222002), we get a palindrome (54244245).

The spelling of 20022243 in words is "twenty million, twenty-two thousand, two hundred forty-three".