20248927 has 4 divisors (see below), whose sum is σ = 21314680. Its totient is φ = 19183176.

The previous prime is 20248897. The next prime is 20248939. The reversal of 20248927 is 72984202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20248927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20248892 and 20248901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20248967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532848 + ... + 532885.

It is an arithmetic number, because the mean of its divisors is an integer number (5328670).

Almost surely, 2^20248927 is an apocalyptic number.

20248927 is a deficient number, since it is larger than the sum of its proper divisors (1065753).

20248927 is a wasteful number, since it uses less digits than its factorization.

20248927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065752.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20248927 is about 4499.8807761984. The cubic root of 20248927 is about 272.5632745919.

The spelling of 20248927 in words is "twenty million, two hundred forty-eight thousand, nine hundred twenty-seven".