20083501 has 2 divisors, whose sum is σ = 20083502. Its totient is φ = 20083500.

The previous prime is 20083499. The next prime is 20083507. The reversal of 20083501 is 10538002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13682601 + 6400900 = 3699^2 + 2530^2 .

It is a cyclic number.

It is not a de Polignac number, because 20083501 - 2¹ = 20083499 is a prime.

Together with 20083499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20083507) 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 as a sum of consecutive naturals, namely, 10041750 + 10041751.

It is an arithmetic number, because the mean of its divisors is an integer number (10041751).

Almost surely, 2^20083501 is an apocalyptic number.

It is an amenable number.

20083501 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083501 is an equidigital number, since it uses as much as digits as its factorization.

20083501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20083501 is about 4481.4619266485. The cubic root of 20083501 is about 271.8189981275.

The spelling of 20083501 in words is "twenty million, eighty-three thousand, five hundred one".