820530033 has 8 divisors (see below), whose sum is σ = 1104662208. Its totient is φ = 541708944.

The previous prime is 820530017. The next prime is 820530121. The reversal of 820530033 is 330035028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 820530033 - 2⁴ = 820530017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 820529985 and 820530012.

It is not an unprimeable number, because it can be changed into a prime (820530013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327410 + ... + 1328027.

It is an arithmetic number, because the mean of its divisors is an integer number (138082776).

Almost surely, 2^820530033 is an apocalyptic number.

It is an amenable number.

820530033 is a deficient number, since it is larger than the sum of its proper divisors (284132175).

820530033 is a wasteful number, since it uses less digits than its factorization.

820530033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655543.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 820530033 is about 28644.8954091301. The cubic root of 820530033 is about 936.1917878511.

The spelling of 820530033 in words is "eight hundred twenty million, five hundred thirty thousand, thirty-three".