20059040 has 48 divisors (see below), whose sum is σ = 47664288. Its totient is φ = 7977216.

The previous prime is 20059009. The next prime is 20059049. The reversal of 20059040 is 4095002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20059049) 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, 45059 + ... + 45501.

It is an arithmetic number, because the mean of its divisors is an integer number (993006).

Almost surely, 2^20059040 is an apocalyptic number.

20059040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20059040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23832144).

20059040 is an abundant number, since it is smaller than the sum of its proper divisors (27605248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20059040 is a wasteful number, since it uses less digits than its factorization.

20059040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20059040 is about 4478.7319634021. The cubic root of 20059040 is about 271.7085979580.

The spelling of 20059040 in words is "twenty million, fifty-nine thousand, forty".