20826083 has 4 divisors (see below), whose sum is σ = 20863128. Its totient is φ = 20789040.

The previous prime is 20826077. The next prime is 20826103. The reversal of 20826083 is 38062802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20826083 - 2⁶ = 20826019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20826023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17666 + ... + 18807.

It is an arithmetic number, because the mean of its divisors is an integer number (5215782).

Almost surely, 2^20826083 is an apocalyptic number.

20826083 is a deficient number, since it is larger than the sum of its proper divisors (37045).

20826083 is an equidigital number, since it uses as much as digits as its factorization.

20826083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37044.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 20826083 is about 4563.5603425396. The cubic root of 20826083 is about 275.1286802733.

Adding to 20826083 its reverse (38062802), we get a palindrome (58888885).

The spelling of 20826083 in words is "twenty million, eight hundred twenty-six thousand, eighty-three".