20064827 has 4 divisors (see below), whose sum is σ = 20088336. Its totient is φ = 20041320.

The previous prime is 20064823. The next prime is 20064833. The reversal of 20064827 is 72846002.

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

It is a cyclic number.

It is not a de Polignac number, because 20064827 - 2² = 20064823 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 20064827.

It is not an unprimeable number, because it can be changed into a prime (20064823) 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, 10424 + ... + 12197.

It is an arithmetic number, because the mean of its divisors is an integer number (5022084).

Almost surely, 2^20064827 is an apocalyptic number.

20064827 is a deficient number, since it is larger than the sum of its proper divisors (23509).

20064827 is an equidigital number, since it uses as much as digits as its factorization.

20064827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23508.

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

The square root of 20064827 is about 4479.3779702097. The cubic root of 20064827 is about 271.7347246067.

The spelling of 20064827 in words is "twenty million, sixty-four thousand, eight hundred twenty-seven".