1441402220 has 12 divisors (see below), whose sum is σ = 3026944704. Its totient is φ = 576560880.

The previous prime is 1441402213. The next prime is 1441402223. The reversal of 1441402220 is 222041441.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 72070111 = 1441402220 / (1 + 4 + 4 + 1 + 4 + 0 + 2 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1441402192 and 1441402201.

It is not an unprimeable number, because it can be changed into a prime (1441402223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36035036 + ... + 36035075.

It is an arithmetic number, because the mean of its divisors is an integer number (252245392).

Almost surely, 2^1441402220 is an apocalyptic number.

1441402220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1441402220 is an abundant number, since it is smaller than the sum of its proper divisors (1585542484).

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

1441402220 is a wasteful number, since it uses less digits than its factorization.

1441402220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72070120 (or 72070118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1441402220 is about 37965.8032971778. The cubic root of 1441402220 is about 1129.6096545087.

Adding to 1441402220 its reverse (222041441), we get a palindrome (1663443661).

The spelling of 1441402220 in words is "one billion, four hundred forty-one million, four hundred two thousand, two hundred twenty".