411242220 has 36 divisors (see below), whose sum is σ = 1247435280. Its totient is φ = 109664544.

The previous prime is 411242219. The next prime is 411242269. The reversal of 411242220 is 22242114.

It is a tau number, because it is divible by the number of its divisors (36).

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 = 411242193 and 411242202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1142160 + ... + 1142519.

It is an arithmetic number, because the mean of its divisors is an integer number (34650980).

Almost surely, 2^411242220 is an apocalyptic number.

It is an amenable number.

411242220 is an abundant number, since it is smaller than the sum of its proper divisors (836193060).

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

411242220 is a wasteful number, since it uses less digits than its factorization.

411242220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284694 (or 2284689 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 411242220 is about 20279.1079685473. The cubic root of 411242220 is about 743.6454042116.

Adding to 411242220 its reverse (22242114), we get a palindrome (433484334).

The spelling of 411242220 in words is "four hundred eleven million, two hundred forty-two thousand, two hundred twenty".