820395096 has 32 divisors (see below), whose sum is σ = 2140162560. Its totient is φ = 261575072.

The previous prime is 820395071. The next prime is 820395113. The reversal of 820395096 is 690593028.

It is a super-2 number, since 2×820395096² = 1346096227081698432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742560 + ... + 743663.

It is an arithmetic number, because the mean of its divisors is an integer number (66880080).

Almost surely, 2^820395096 is an apocalyptic number.

It is an amenable number.

820395096 is an abundant number, since it is smaller than the sum of its proper divisors (1319767464).

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

820395096 is a wasteful number, since it uses less digits than its factorization.

820395096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486255 (or 1486251 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 820395096 is about 28642.5399711688. The cubic root of 820395096 is about 936.1404658065.

The spelling of 820395096 in words is "eight hundred twenty million, three hundred ninety-five thousand, ninety-six".