20053579 has 8 divisors (see below), whose sum is σ = 24681440. Its totient is φ = 15866496.

The previous prime is 20053573. The next prime is 20053601. The reversal of 20053579 is 97535002.

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 20053579 - 2³ = 20053571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20053579.

It is not an unprimeable number, because it can be changed into a prime (20053571) 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, 110094 + ... + 110275.

It is an arithmetic number, because the mean of its divisors is an integer number (3085180).

Almost surely, 2^20053579 is an apocalyptic number.

20053579 is a deficient number, since it is larger than the sum of its proper divisors (4627861).

20053579 is a wasteful number, since it uses less digits than its factorization.

20053579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220389.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 20053579 is about 4478.1222627347. The cubic root of 20053579 is about 271.6839384973.

The spelling of 20053579 in words is "twenty million, fifty-three thousand, five hundred seventy-nine".