2411312220 has 96 divisors (see below), whose sum is σ = 7537770240. Its totient is φ = 639938880.

The previous prime is 2411312219. The next prime is 2411312257. The reversal of 2411312220 is 222131142.

It is a happy number.

2411312220 is a `hidden beast` number, since 2 + 411 + 31 + 2 + 220 = 666.

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 = 2411312193 and 2411312202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103359 + ... + 124521.

It is an arithmetic number, because the mean of its divisors is an integer number (78518440).

Almost surely, 2^2411312220 is an apocalyptic number.

2411312220 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 2411312220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3768885120).

2411312220 is an abundant number, since it is smaller than the sum of its proper divisors (5126458020).

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

2411312220 is a wasteful number, since it uses less digits than its factorization.

2411312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21392 (or 21384 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2411312220 is about 49105.1139902964. The cubic root of 2411312220 is about 1340.9661518215.

Adding to 2411312220 its reverse (222131142), we get a palindrome (2633443362).

The spelling of 2411312220 in words is "two billion, four hundred eleven million, three hundred twelve thousand, two hundred twenty".