20106039 has 8 divisors (see below), whose sum is σ = 26836992. Its totient is φ = 13389560.

The previous prime is 20106013. The next prime is 20106041. The reversal of 20106039 is 93060102.

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 20106039 - 2⁵ = 20106007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106089) 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, 202 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (3354624).

Almost surely, 2^20106039 is an apocalyptic number.

20106039 is a deficient number, since it is larger than the sum of its proper divisors (6730953).

20106039 is a wasteful number, since it uses less digits than its factorization.

20106039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 20106039 is about 4483.9758027893. The cubic root of 20106039 is about 271.9206398740.

The spelling of 20106039 in words is "twenty million, one hundred six thousand, thirty-nine".