20608051 has 8 divisors (see below), whose sum is σ = 21447360. Its totient is φ = 19785192.

The previous prime is 20608037. The next prime is 20608073. The reversal of 20608051 is 15080602.

It is a happy number.

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 20608051 - 2⁹ = 20607539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20608031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (2680920).

Almost surely, 2^20608051 is an apocalyptic number.

20608051 is a deficient number, since it is larger than the sum of its proper divisors (839309).

20608051 is an equidigital number, since it uses as much as digits as its factorization.

20608051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8225.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 20608051 is about 4539.6091241427. The cubic root of 20608051 is about 274.1651862379.

Adding to 20608051 its reverse (15080602), we get a palindrome (35688653).

The spelling of 20608051 in words is "twenty million, six hundred eight thousand, fifty-one".