20081873 has 8 divisors (see below), whose sum is σ = 23016192. Its totient is φ = 17163936.

The previous prime is 20081869. The next prime is 20081899. The reversal of 20081873 is 37818002.

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 20081873 - 2² = 20081869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20081863) 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, 1340 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (2877024).

Almost surely, 2^20081873 is an apocalyptic number.

It is an amenable number.

20081873 is a deficient number, since it is larger than the sum of its proper divisors (2934319).

20081873 is an equidigital number, since it uses as much as digits as its factorization.

20081873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8191.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 20081873 is about 4481.2802858112. The cubic root of 20081873 is about 271.8116532380.

Adding to 20081873 its reverse (37818002), we get a palindrome (57899875).

The spelling of 20081873 in words is "twenty million, eighty-one thousand, eight hundred seventy-three".