20706069 has 8 divisors (see below), whose sum is σ = 27698112. Its totient is φ = 13759040.

The previous prime is 20706061. The next prime is 20706071. The reversal of 20706069 is 96060702.

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 20706069 - 2³ = 20706061 is a prime.

It is a super-2 number, since 2×20706069² = 857482586865522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20706061) 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, 10164 + ... + 12029.

It is an arithmetic number, because the mean of its divisors is an integer number (3462264).

Almost surely, 2^20706069 is an apocalyptic number.

It is an amenable number.

20706069 is a deficient number, since it is larger than the sum of its proper divisors (6992043).

20706069 is a wasteful number, since it uses less digits than its factorization.

20706069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22507.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 20706069 is about 4550.3921809005. The cubic root of 20706069 is about 274.5991692144.

The spelling of 20706069 in words is "twenty million, seven hundred six thousand, sixty-nine".