1032220 has 48 divisors (see below), whose sum is σ = 2536128. Its totient is φ = 345600.

The previous prime is 1032211. The next prime is 1032221. The reversal of 1032220 is 222301.

1032220 = 381² + 382² + ... + 387².

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1032197 and 1032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10170 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (52836).

2^1032220 is an apocalyptic number.

1032220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268064).

1032220 is an abundant number, since it is smaller than the sum of its proper divisors (1503908).

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

1032220 is a wasteful number, since it uses less digits than its factorization.

1032220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 1032220 is about 1015.9822833101. The cubic root of 1032220 is about 101.0626673794.

Adding to 1032220 its reverse (222301), we get a palindrome (1254521).

The spelling of 1032220 in words is "one million, thirty-two thousand, two hundred twenty".