20382893 has 8 divisors (see below), whose sum is σ = 21231360. Its totient is φ = 19550160.

The previous prime is 20382889. The next prime is 20382917. The reversal of 20382893 is 39828302.

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 20382893 - 2² = 20382889 is a prime.

It is a super-3 number, since 3×20382893³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20382823) 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, 1253 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (2653920).

Almost surely, 2^20382893 is an apocalyptic number.

It is an amenable number.

20382893 is a deficient number, since it is larger than the sum of its proper divisors (848467).

20382893 is an equidigital number, since it uses as much as digits as its factorization.

20382893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 20382893 is about 4514.7417423370. The cubic root of 20382893 is about 273.1630426825.

The spelling of 20382893 in words is "twenty million, three hundred eighty-two thousand, eight hundred ninety-three".