1020330 has 32 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 272016.

The previous prime is 1020329. The next prime is 1020337. The reversal of 1020330 is 330201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620 + ... + 2159.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^1020330 is an apocalyptic number.

1020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020330 is an abundant number, since it is smaller than the sum of its proper divisors (1701270).

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

1020330 is a wasteful number, since it uses less digits than its factorization.

1020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1020330 is about 1010.1138549688. The cubic root of 1020330 is about 100.6731255206.

Adding to 1020330 its reverse (330201), we get a palindrome (1350531).

The spelling of 1020330 in words is "one million, twenty thousand, three hundred thirty".