20069893 has 8 divisors (see below), whose sum is σ = 20627712. Its totient is φ = 19517616.

The previous prime is 20069887. The next prime is 20069897. The reversal of 20069893 is 39896002.

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 20069893 - 2²¹ = 17972741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20069897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6571 + ... + 9127.

It is an arithmetic number, because the mean of its divisors is an integer number (2578464).

Almost surely, 2^20069893 is an apocalyptic number.

It is an amenable number.

20069893 is a deficient number, since it is larger than the sum of its proper divisors (557819).

20069893 is a wasteful number, since it uses less digits than its factorization.

20069893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 20069893 is about 4479.9434148212. The cubic root of 20069893 is about 271.7575920233.

The spelling of 20069893 in words is "twenty million, sixty-nine thousand, eight hundred ninety-three".