1020204 has 36 divisors (see below), whose sum is σ = 2732184. Its totient is φ = 319872.

The previous prime is 1020163. The next prime is 1020223. The reversal of 1020204 is 4020201.

1020204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (75894).

2^1020204 is an apocalyptic number.

It is an amenable number.

1020204 is an abundant number, since it is smaller than the sum of its proper divisors (1711980).

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

1020204 is a wasteful number, since it uses less digits than its factorization.

1020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1020204 is about 1010.0514838363. The cubic root of 1020204 is about 100.6689813267.

Adding to 1020204 its reverse (4020201), we get a palindrome (5040405).

The spelling of 1020204 in words is "one million, twenty thousand, two hundred four".