20708083 has 8 divisors (see below), whose sum is σ = 22628016. Its totient is φ = 18794400.

The previous prime is 20708021. The next prime is 20708099. The reversal of 20708083 is 38080702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20708083 - 2¹³ = 20699891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20708183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7885 + ... + 10177.

It is an arithmetic number, because the mean of its divisors is an integer number (2828502).

Almost surely, 2^20708083 is an apocalyptic number.

20708083 is a deficient number, since it is larger than the sum of its proper divisors (1919933).

20708083 is a wasteful number, since it uses less digits than its factorization.

20708083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20708083 is about 4550.6134751262. The cubic root of 20708083 is about 274.6080719954.

Adding to 20708083 its reverse (38080702), we get a palindrome (58788785).

It can be divided in two parts, 2070 and 8083, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 20708083 in words is "twenty million, seven hundred eight thousand, eighty-three".