20374283 has 4 divisors (see below), whose sum is σ = 20383848. Its totient is φ = 20364720.

The previous prime is 20374267. The next prime is 20374301. The reversal of 20374283 is 38247302.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20374283 - 2⁴ = 20374267 is a prime.

It is a super-2 number, since 2×20374283² = 830222815528178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20374243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 6383.

It is an arithmetic number, because the mean of its divisors is an integer number (5095962).

Almost surely, 2^20374283 is an apocalyptic number.

20374283 is a deficient number, since it is larger than the sum of its proper divisors (9565).

20374283 is an equidigital number, since it uses as much as digits as its factorization.

20374283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 20374283 is about 4513.7880987038. The cubic root of 20374283 is about 273.1245747209.

The spelling of 20374283 in words is "twenty million, three hundred seventy-four thousand, two hundred eighty-three".