20072183 has 2 divisors, whose sum is σ = 20072184. Its totient is φ = 20072182.

The previous prime is 20072179. The next prime is 20072191. The reversal of 20072183 is 38127002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20072183 - 2² = 20072179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20072383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10036091 + 10036092.

It is an arithmetic number, because the mean of its divisors is an integer number (10036092).

Almost surely, 2^20072183 is an apocalyptic number.

20072183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20072183 is an equidigital number, since it uses as much as digits as its factorization.

20072183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 20072183 is about 4480.1989911164. The cubic root of 20072183 is about 271.7679275911.

Adding to 20072183 its reverse (38127002), we get a palindrome (58199185).

The spelling of 20072183 in words is "twenty million, seventy-two thousand, one hundred eighty-three".