220411044 has 120 divisors (see below), whose sum is σ = 663776960. Its totient is φ = 62472384.

The previous prime is 220411043. The next prime is 220411057. The reversal of 220411044 is 440114022.

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

It is not an unprimeable number, because it can be changed into a prime (220411043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 355767 + ... + 356385.

Almost surely, 2^220411044 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 220411044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331888480).

220411044 is an abundant number, since it is smaller than the sum of its proper divisors (443365916).

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

220411044 is a wasteful number, since it uses less digits than its factorization.

220411044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 788 counting only the distinct ones).

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

The square root of 220411044 is about 14846.2467984336. The cubic root of 220411044 is about 604.0568086854.

Adding to 220411044 its reverse (440114022), we get a palindrome (660525066).

The spelling of 220411044 in words is "two hundred twenty million, four hundred eleven thousand, forty-four".