20068005 has 32 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 10232640.

The previous prime is 20068003. The next prime is 20068019. The reversal of 20068005 is 50086002.

It is a happy number.

It is not a de Polignac number, because 20068005 - 2¹ = 20068003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20068003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47686 + ... + 48104.

It is an arithmetic number, because the mean of its divisors is an integer number (1048320).

Almost surely, 2^20068005 is an apocalyptic number.

It is an amenable number.

20068005 is a deficient number, since it is larger than the sum of its proper divisors (13478235).

20068005 is a wasteful number, since it uses less digits than its factorization.

20068005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20068005 is about 4479.7326929182. The cubic root of 20068005 is about 271.7490702303.

It can be divided in two parts, 2006 and 8005, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 20068005 in words is "twenty million, sixty-eight thousand, five".