20125683 has 6 divisors (see below), whose sum is σ = 29070444. Its totient is φ = 13417116.

The previous prime is 20125649. The next prime is 20125697. The reversal of 20125683 is 38652102.

It is not a de Polignac number, because 20125683 - 2¹⁶ = 20060147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20125613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1118085 + ... + 1118102.

It is an arithmetic number, because the mean of its divisors is an integer number (4845074).

Almost surely, 2^20125683 is an apocalyptic number.

20125683 is a deficient number, since it is larger than the sum of its proper divisors (8944761).

20125683 is a wasteful number, since it uses less digits than its factorization.

20125683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236193 (or 2236190 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 20125683 is about 4486.1657347896. The cubic root of 20125683 is about 272.0091683400.

Adding to 20125683 its reverse (38652102), we get a palindrome (58777785).

The spelling of 20125683 in words is "twenty million, one hundred twenty-five thousand, six hundred eighty-three".