85341220 has 24 divisors (see below), whose sum is σ = 179436600. Its totient is φ = 34094592.

The previous prime is 85341211. The next prime is 85341227. The reversal of 85341220 is 2214358.

It can be written as a sum of positive squares in 4 ways, for example, as 25989604 + 59351616 = 5098^2 + 7704^2 .

It is not an unprimeable number, because it can be changed into a prime (85341227) 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, 18066 + ... + 22294.

It is an arithmetic number, because the mean of its divisors is an integer number (7476525).

Almost surely, 2^85341220 is an apocalyptic number.

It is an amenable number.

85341220 is an abundant number, since it is smaller than the sum of its proper divisors (94095380).

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

85341220 is a wasteful number, since it uses less digits than its factorization.

85341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247 (or 5245 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 85341220 is about 9238.0311755265. The cubic root of 85341220 is about 440.2705292262.

Adding to 85341220 its reverse (2214358), we get a palindrome (87555578).

The spelling of 85341220 in words is "eighty-five million, three hundred forty-one thousand, two hundred twenty".