241531220 has 24 divisors (see below), whose sum is σ = 579675264. Its totient is φ = 82810656.

The previous prime is 241531217. The next prime is 241531237. The reversal of 241531220 is 22135142.

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 = 241531192 and 241531201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862472 + ... + 862751.

It is an arithmetic number, because the mean of its divisors is an integer number (24153136).

Almost surely, 2^241531220 is an apocalyptic number.

241531220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241531220 is an abundant number, since it is smaller than the sum of its proper divisors (338144044).

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

241531220 is a wasteful number, since it uses less digits than its factorization.

241531220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725239 (or 1725237 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 241531220 is about 15541.2747224930. The cubic root of 241531220 is about 622.7653272363.

Adding to 241531220 its reverse (22135142), we get a palindrome (263666362).

The spelling of 241531220 in words is "two hundred forty-one million, five hundred thirty-one thousand, two hundred twenty".