20192243 has 8 divisors (see below), whose sum is σ = 21426768. Its totient is φ = 18962944.

The previous prime is 20192203. The next prime is 20192251. The reversal of 20192243 is 34229102.

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

It is a cyclic number.

It is not a de Polignac number, because 20192243 - 2⁸ = 20191987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20192203) 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, 9080 + ... + 11082.

It is an arithmetic number, because the mean of its divisors is an integer number (2678346).

Almost surely, 2^20192243 is an apocalyptic number.

20192243 is a deficient number, since it is larger than the sum of its proper divisors (1234525).

20192243 is a wasteful number, since it uses less digits than its factorization.

20192243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20192243 is about 4493.5779730633. The cubic root of 20192243 is about 272.3087028181.

The spelling of 20192243 in words is "twenty million, one hundred ninety-two thousand, two hundred forty-three".