20059145 has 8 divisors (see below), whose sum is σ = 24097920. Its totient is φ = 16029360.

The previous prime is 20059141. The next prime is 20059157. The reversal of 20059145 is 54195002.

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

It is not a de Polignac number, because 20059145 - 2² = 20059141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20059141) 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, 4526 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (3012240).

Almost surely, 2^20059145 is an apocalyptic number.

It is an amenable number.

20059145 is a deficient number, since it is larger than the sum of its proper divisors (4038775).

20059145 is a wasteful number, since it uses less digits than its factorization.

20059145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 20059145 is about 4478.7436854547. The cubic root of 20059145 is about 271.7090720477.

The spelling of 20059145 in words is "twenty million, fifty-nine thousand, one hundred forty-five".