20046827 has 4 divisors (see below), whose sum is σ = 20535816. Its totient is φ = 19557840.

The previous prime is 20046809. The next prime is 20046833. The reversal of 20046827 is 72864002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72864002 = 2 ⋅36432001.

It is a cyclic number.

It is not a de Polignac number, because 20046827 - 2⁸ = 20046571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20046827.

It is not an unprimeable number, because it can be changed into a prime (20046427) 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, 244433 + ... + 244514.

It is an arithmetic number, because the mean of its divisors is an integer number (5133954).

Almost surely, 2^20046827 is an apocalyptic number.

20046827 is a deficient number, since it is larger than the sum of its proper divisors (488989).

20046827 is an equidigital number, since it uses as much as digits as its factorization.

20046827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488988.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20046827 is about 4477.3683118546. The cubic root of 20046827 is about 271.6534432613.

The spelling of 20046827 in words is "twenty million, forty-six thousand, eight hundred twenty-seven".