85234020 has 48 divisors (see below), whose sum is σ = 239899968. Its totient is φ = 22610560.

The previous prime is 85234007. The next prime is 85234031. The reversal of 85234020 is 2043258.

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, 8215 + ... + 15425.

It is an arithmetic number, because the mean of its divisors is an integer number (4997916).

Almost surely, 2^85234020 is an apocalyptic number.

It is an amenable number.

85234020 is an abundant number, since it is smaller than the sum of its proper divisors (154665948).

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

85234020 is a wasteful number, since it uses less digits than its factorization.

85234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7420 (or 7418 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 85234020 is about 9232.2272502360. The cubic root of 85234020 is about 440.0861057380.

Adding to 85234020 its reverse (2043258), we get a palindrome (87277278).

The spelling of 85234020 in words is "eighty-five million, two hundred thirty-four thousand, twenty".