302230420 has 36 divisors (see below), whose sum is σ = 674227260. Its totient is φ = 113778688.

The previous prime is 302230399. The next prime is 302230429. The reversal of 302230420 is 24032203.

It can be written as a sum of positive squares in 6 ways, for example, as 10640644 + 291589776 = 3262^2 + 17076^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302230394 and 302230403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302230429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20365 + ... + 31924.

It is an arithmetic number, because the mean of its divisors is an integer number (18728535).

Almost surely, 2^302230420 is an apocalyptic number.

It is an amenable number.

302230420 is an abundant number, since it is smaller than the sum of its proper divisors (371996840).

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

302230420 is a wasteful number, since it uses less digits than its factorization.

302230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52332 (or 52313 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 302230420 is about 17384.7755234285. The cubic root of 302230420 is about 671.0878740165.

Adding to 302230420 its reverse (24032203), we get a palindrome (326262623).

The spelling of 302230420 in words is "three hundred two million, two hundred thirty thousand, four hundred twenty".