20083507 has 2 divisors, whose sum is σ = 20083508. Its totient is φ = 20083506.

The previous prime is 20083501. The next prime is 20083517. The reversal of 20083507 is 70538002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20083507 - 2³ = 20083499 is a prime.

It is not a weakly prime, because it can be changed into another prime (20083501) 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, 10041753 + 10041754.

It is an arithmetic number, because the mean of its divisors is an integer number (10041754).

Almost surely, 2^20083507 is an apocalyptic number.

20083507 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083507 is an equidigital number, since it uses as much as digits as its factorization.

20083507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20083507 is about 4481.4625960728. The cubic root of 20083507 is about 271.8190251964.

The spelling of 20083507 in words is "twenty million, eighty-three thousand, five hundred seven".