820233332 has 12 divisors (see below), whose sum is σ = 1484905380. Its totient is φ = 395974656.

The previous prime is 820233319. The next prime is 820233343. The reversal of 820233332 is 233332028.

It can be written as a sum of positive squares in 2 ways, for example, as 678289936 + 141943396 = 26044^2 + 11914^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3535373 + ... + 3535604.

It is an arithmetic number, because the mean of its divisors is an integer number (123742115).

Almost surely, 2^820233332 is an apocalyptic number.

It is an amenable number.

820233332 is a deficient number, since it is larger than the sum of its proper divisors (664672048).

820233332 is a wasteful number, since it uses less digits than its factorization.

820233332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7071010 (or 7071008 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 820233332 is about 28639.7159902119. The cubic root of 820233332 is about 936.0789329421.

The spelling of 820233332 in words is "eight hundred twenty million, two hundred thirty-three thousand, three hundred thirty-two".