20160451 has 8 divisors (see below), whose sum is σ = 20497680. Its totient is φ = 19825632.

The previous prime is 20160433. The next prime is 20160457. The reversal of 20160451 is 15406102.

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 20160451 - 2⁹ = 20159939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20160457) 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, 23905 + ... + 24733.

It is an arithmetic number, because the mean of its divisors is an integer number (2562210).

Almost surely, 2^20160451 is an apocalyptic number.

20160451 is a deficient number, since it is larger than the sum of its proper divisors (337229).

20160451 is an equidigital number, since it uses as much as digits as its factorization.

20160451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20160451 is about 4490.0390866896. The cubic root of 20160451 is about 272.1657141505.

Adding to 20160451 its reverse (15406102), we get a palindrome (35566553).

The spelling of 20160451 in words is "twenty million, one hundred sixty thousand, four hundred fifty-one".