820552202 has 8 divisors (see below), whose sum is σ = 1295608800. Its totient is φ = 388682604.

The previous prime is 820552189. The next prime is 820552211. The reversal of 820552202 is 202255028.

It is a happy number.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10796702 + ... + 10796777.

It is an arithmetic number, because the mean of its divisors is an integer number (161951100).

Almost surely, 2^820552202 is an apocalyptic number.

820552202 is a deficient number, since it is larger than the sum of its proper divisors (475056598).

820552202 is a wasteful number, since it uses less digits than its factorization.

820552202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21593500.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 820552202 is about 28645.2823690045. The cubic root of 820552202 is about 936.2002190878.

The spelling of 820552202 in words is "eight hundred twenty million, five hundred fifty-two thousand, two hundred two".