302231020 has 96 divisors (see below), whose sum is σ = 797328000. Its totient is φ = 95622912.

The previous prime is 302231003. The next prime is 302231029. The reversal of 302231020 is 20132203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302231029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87486 + ... + 90874.

It is an arithmetic number, because the mean of its divisors is an integer number (8305500).

Almost surely, 2^302231020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302231020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398664000).

302231020 is an abundant number, since it is smaller than the sum of its proper divisors (495096980).

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

302231020 is a wasteful number, since it uses less digits than its factorization.

302231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 302231020 is about 17384.7927798982. The cubic root of 302231020 is about 671.0883181065.

Adding to 302231020 its reverse (20132203), we get a palindrome (322363223).

The spelling of 302231020 in words is "three hundred two million, two hundred thirty-one thousand, twenty".