20483983 has 12 divisors (see below), whose sum is σ = 22555848. Its totient is φ = 18588960.

The previous prime is 20483971. The next prime is 20483987. The reversal of 20483983 is 38938402.

It is not a de Polignac number, because 20483983 - 2⁹ = 20483471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20483987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9316 + ... + 11302.

It is an arithmetic number, because the mean of its divisors is an integer number (1879654).

Almost surely, 2^20483983 is an apocalyptic number.

20483983 is a deficient number, since it is larger than the sum of its proper divisors (2071865).

20483983 is a wasteful number, since it uses less digits than its factorization.

20483983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 20483983 is about 4525.9234416857. The cubic root of 20483983 is about 273.6138868660.

The spelling of 20483983 in words is "twenty million, four hundred eighty-three thousand, nine hundred eighty-three".