20000706 has 32 divisors (see below), whose sum is σ = 44299008. Its totient is φ = 5969040.

The previous prime is 20000693. The next prime is 20000707. The reversal of 20000706 is 60700002.

It is not an unprimeable number, because it can be changed into a prime (20000707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (1384344).

Almost surely, 2^20000706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22149504).

20000706 is an abundant number, since it is smaller than the sum of its proper divisors (24298302).

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

20000706 is a wasteful number, since it uses less digits than its factorization.

20000706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20000706 is about 4472.2148875026. The cubic root of 20000706 is about 271.4449555866. Note that the first 3 decimals are identical.

Adding to 20000706 its reverse (60700002), we get a palindrome (80700708).

It can be divided in two parts, 20000 and 706, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 20000706 in words is "twenty million, seven hundred six", and thus it is an aban number.