867332020 has 12 divisors (see below), whose sum is σ = 1821397284. Its totient is φ = 346932800.

The previous prime is 867332017. The next prime is 867332021. The reversal of 867332020 is 20233768.

It can be written as a sum of positive squares in 2 ways, for example, as 552908196 + 314423824 = 23514^2 + 17732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867332021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21683281 + ... + 21683320.

It is an arithmetic number, because the mean of its divisors is an integer number (151783107).

Almost surely, 2^867332020 is an apocalyptic number.

It is an amenable number.

867332020 is an abundant number, since it is smaller than the sum of its proper divisors (954065264).

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

867332020 is a wasteful number, since it uses less digits than its factorization.

867332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43366610 (or 43366608 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 867332020 is about 29450.5011841904. The cubic root of 867332020 is about 953.6634245239.

Adding to 867332020 its reverse (20233768), we get a palindrome (887565788).

The spelling of 867332020 in words is "eight hundred sixty-seven million, three hundred thirty-two thousand, twenty".