20708082 has 16 divisors (see below), whose sum is σ = 46018080. Its totient is φ = 6902676.

The previous prime is 20708021. The next prime is 20708099. The reversal of 20708082 is 28080702.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191688 + ... + 191795.

It is an arithmetic number, because the mean of its divisors is an integer number (2876130).

Almost surely, 2^20708082 is an apocalyptic number.

20708082 is an abundant number, since it is smaller than the sum of its proper divisors (25309998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20708082 is a wasteful number, since it uses less digits than its factorization.

20708082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383494 (or 383488 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 20708082 is about 4550.6133652509. The cubic root of 20708082 is about 274.6080675751.

Adding to 20708082 its reverse (28080702), we get a palindrome (48788784).

The spelling of 20708082 in words is "twenty million, seven hundred eight thousand, eighty-two".