20427883 has 8 divisors (see below), whose sum is σ = 23444960. Its totient is φ = 17435520.

The previous prime is 20427871. The next prime is 20427917. The reversal of 20427883 is 38872402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20427883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20427833) 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, 4368 + ... + 7741.

It is an arithmetic number, because the mean of its divisors is an integer number (2930620).

Almost surely, 2^20427883 is an apocalyptic number.

20427883 is a deficient number, since it is larger than the sum of its proper divisors (3017077).

20427883 is a wasteful number, since it uses less digits than its factorization.

20427883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 20427883 is about 4519.7215622204. The cubic root of 20427883 is about 273.3638740744.

The spelling of 20427883 in words is "twenty million, four hundred twenty-seven thousand, eight hundred eighty-three".