20059545 has 32 divisors (see below), whose sum is σ = 35604864. Its totient is φ = 9561600.

The previous prime is 20059531. The next prime is 20059547. The reversal of 20059545 is 54595002.

It is a happy number.

It is not a de Polignac number, because 20059545 - 2¹¹ = 20057497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20059547) 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 31 ways as a sum of consecutive naturals, for example, 9069 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (1112652).

Almost surely, 2^20059545 is an apocalyptic number.

It is an amenable number.

20059545 is a deficient number, since it is larger than the sum of its proper divisors (15545319).

20059545 is a wasteful number, since it uses less digits than its factorization.

20059545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 20059545 is about 4478.7883406118. The cubic root of 20059545 is about 271.7108780886.

The spelling of 20059545 in words is "twenty million, fifty-nine thousand, five hundred forty-five".