1020441204 has 36 divisors (see below), whose sum is σ = 2649166884. Its totient is φ = 330953472.

The previous prime is 1020441199. The next prime is 1020441209. The reversal of 1020441204 is 4021440201.

1020441204 is a `hidden beast` number, since 1 + 0 + 20 + 441 + 204 = 666.

It is an interprime number because it is at equal distance from previous prime (1020441199) and next prime (1020441209).

It can be written as a sum of positive squares in 2 ways, for example, as 380250000 + 640191204 = 19500^2 + 25302^2 .

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020441209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381717 + ... + 384380.

It is an arithmetic number, because the mean of its divisors is an integer number (73587969).

Almost surely, 2^1020441204 is an apocalyptic number.

It is an amenable number.

1020441204 is an abundant number, since it is smaller than the sum of its proper divisors (1628725680).

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

1020441204 is a wasteful number, since it uses less digits than its factorization.

1020441204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766144 (or 766139 counting only the distinct ones).

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

The square root of 1020441204 is about 31944.3454151122. The cubic root of 1020441204 is about 1006.7678278429.

Adding to 1020441204 its reverse (4021440201), we get a palindrome (5041881405).

The spelling of 1020441204 in words is "one billion, twenty million, four hundred forty-one thousand, two hundred four".