411503220 has 96 divisors (see below), whose sum is σ = 1298384640. Its totient is φ = 108178560.

The previous prime is 411503219. The next prime is 411503221. The reversal of 411503220 is 22305114.

It is an interprime number because it is at equal distance from previous prime (411503219) and next prime (411503221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 411503193 and 411503202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411503221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32974 + ... + 43706.

It is an arithmetic number, because the mean of its divisors is an integer number (13524840).

Almost surely, 2^411503220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411503220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649192320).

411503220 is an abundant number, since it is smaller than the sum of its proper divisors (886881420).

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

411503220 is a wasteful number, since it uses less digits than its factorization.

411503220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10822 (or 10814 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 411503220 is about 20285.5421421267. The cubic root of 411503220 is about 743.8026922158.

Adding to 411503220 its reverse (22305114), we get a palindrome (433808334).

The spelling of 411503220 in words is "four hundred eleven million, five hundred three thousand, two hundred twenty".