20483393 has 12 divisors (see below), whose sum is σ = 23729472. Its totient is φ = 17320320.

The previous prime is 20483381. The next prime is 20483401. The reversal of 20483393 is 39338402.

It is a happy number.

It is not a de Polignac number, because 20483393 - 2⁴ = 20483377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20483303) 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, 65708 + ... + 66018.

It is an arithmetic number, because the mean of its divisors is an integer number (1977456).

Almost surely, 2^20483393 is an apocalyptic number.

It is an amenable number.

20483393 is a deficient number, since it is larger than the sum of its proper divisors (3246079).

20483393 is an frugal number, since it uses more digits than its factorization.

20483393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 20483393 is about 4525.8582611478. The cubic root of 20483393 is about 273.6112598745.

The spelling of 20483393 in words is "twenty million, four hundred eighty-three thousand, three hundred ninety-three".