20703008 has 48 divisors (see below), whose sum is σ = 45450720. Its totient is φ = 9225216.

The previous prime is 20702993. The next prime is 20703031. The reversal of 20703008 is 80030702.

It is a super-2 number, since 2×20703008² = 857229080496128, which contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9335 + ... + 11337.

It is an arithmetic number, because the mean of its divisors is an integer number (946890).

Almost surely, 2^20703008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20703008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22725360).

20703008 is an abundant number, since it is smaller than the sum of its proper divisors (24747712).

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

20703008 is a wasteful number, since it uses less digits than its factorization.

20703008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049 (or 2041 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20703008 is about 4550.0558238334. The cubic root of 20703008 is about 274.5856371193.

The spelling of 20703008 in words is "twenty million, seven hundred three thousand, eight".