820080350 has 24 divisors (see below), whose sum is σ = 1528912560. Its totient is φ = 327265920.

The previous prime is 820080347. The next prime is 820080361. The reversal of 820080350 is 53080028.

It is a super-2 number, since 2×820080350² = 1345063560912245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2711 + ... + 40589.

It is an arithmetic number, because the mean of its divisors is an integer number (63704690).

Almost surely, 2^820080350 is an apocalyptic number.

820080350 is a deficient number, since it is larger than the sum of its proper divisors (708832210).

820080350 is a wasteful number, since it uses less digits than its factorization.

820080350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38324 (or 38319 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 820080350 is about 28637.0450640425. The cubic root of 820080350 is about 936.0207331894.

The spelling of 820080350 in words is "eight hundred twenty million, eighty thousand, three hundred fifty".