20059797 has 8 divisors (see below), whose sum is σ = 26881600. Its totient is φ = 13305600.

The previous prime is 20059771. The next prime is 20059807. The reversal of 20059797 is 79795002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20059797 - 2²⁰ = 19011221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20059717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16204 + ... + 17397.

It is an arithmetic number, because the mean of its divisors is an integer number (3360200).

Almost surely, 2^20059797 is an apocalyptic number.

It is an amenable number.

20059797 is a deficient number, since it is larger than the sum of its proper divisors (6821803).

20059797 is a wasteful number, since it uses less digits than its factorization.

20059797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33803.

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 20059797 is about 4478.8164731322. The cubic root of 20059797 is about 271.7120158820.

The spelling of 20059797 in words is "twenty million, fifty-nine thousand, seven hundred ninety-seven".