85330020 has 48 divisors (see below), whose sum is σ = 244758528. Its totient is φ = 22199040.

The previous prime is 85330013. The next prime is 85330043. The reversal of 85330020 is 2003358.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14884 + ... + 19803.

It is an arithmetic number, because the mean of its divisors is an integer number (5099136).

Almost surely, 2^85330020 is an apocalyptic number.

It is an amenable number.

85330020 is an abundant number, since it is smaller than the sum of its proper divisors (159428508).

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

85330020 is a wasteful number, since it uses less digits than its factorization.

85330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34740 (or 34738 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 85330020 is about 9237.4249658658. The cubic root of 85330020 is about 440.2512683280.

Adding to 85330020 its reverse (2003358), we get a palindrome (87333378).

The spelling of 85330020 in words is "eighty-five million, three hundred thirty thousand, twenty".