86305020 has 24 divisors (see below), whose sum is σ = 241654224. Its totient is φ = 23014656.

The previous prime is 86305007. The next prime is 86305031. The reversal of 86305020 is 2050368.

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, 719149 + ... + 719268.

It is an arithmetic number, because the mean of its divisors is an integer number (10068926).

Almost surely, 2^86305020 is an apocalyptic number.

It is an amenable number.

86305020 is an abundant number, since it is smaller than the sum of its proper divisors (155349204).

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

86305020 is a wasteful number, since it uses less digits than its factorization.

86305020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438429 (or 1438427 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 86305020 is about 9290.0495154762. The cubic root of 86305020 is about 441.9217253881.

Adding to 86305020 its reverse (2050368), we get a palindrome (88355388).

The spelling of 86305020 in words is "eighty-six million, three hundred five thousand, twenty".