41580020 has 24 divisors (see below), whose sum is σ = 88222344. Its totient is φ = 16459776.

The previous prime is 41580017. The next prime is 41580029. The reversal of 41580020 is 2008514.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 41499364 = 284^2 + 6442^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 41579974 and 41580001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41580029) 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, 8777 + ... + 12656.

It is an arithmetic number, because the mean of its divisors is an integer number (3675931).

Almost surely, 2^41580020 is an apocalyptic number.

It is an amenable number.

41580020 is an abundant number, since it is smaller than the sum of its proper divisors (46642324).

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

41580020 is a wasteful number, since it uses less digits than its factorization.

41580020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539 (or 21537 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 41580020 is about 6448.2571288682. The cubic root of 41580020 is about 346.4401606334.

Adding to 41580020 its reverse (2008514), we get a palindrome (43588534).

The spelling of 41580020 in words is "forty-one million, five hundred eighty thousand, twenty".