1032323220 has 36 divisors (see below), whose sum is σ = 3131380980. Its totient is φ = 275286144.

The previous prime is 1032323213. The next prime is 1032323233. The reversal of 1032323220 is 223232301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 520387344 + 511935876 = 22812^2 + 22626^2 .

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 junction number, because it is equal to n+sod(n) for n = 1032323193 and 1032323202.

It is a congruent number.

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, 2867385 + ... + 2867744.

It is an arithmetic number, because the mean of its divisors is an integer number (86982805).

Almost surely, 2^1032323220 is an apocalyptic number.

1032323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032323220 is an abundant number, since it is smaller than the sum of its proper divisors (2099057760).

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

1032323220 is a wasteful number, since it uses less digits than its factorization.

1032323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735144 (or 5735139 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1032323220 is about 32129.7871141407. The cubic root of 1032323220 is about 1010.6603595744.

Adding to 1032323220 its reverse (223232301), we get a palindrome (1255555521).

The spelling of 1032323220 in words is "one billion, thirty-two million, three hundred twenty-three thousand, two hundred twenty".