302030220 has 24 divisors (see below), whose sum is σ = 845684784. Its totient is φ = 80541376.

The previous prime is 302030219. The next prime is 302030221. The reversal of 302030220 is 22030203.

It is an interprime number because it is at equal distance from previous prime (302030219) and next prime (302030221).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 302030196 and 302030205.

It is not an unprimeable number, because it can be changed into a prime (302030221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516859 + ... + 2516978.

It is an arithmetic number, because the mean of its divisors is an integer number (35236866).

Almost surely, 2^302030220 is an apocalyptic number.

302030220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302030220 is an abundant number, since it is smaller than the sum of its proper divisors (543654564).

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

302030220 is a wasteful number, since it uses less digits than its factorization.

302030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033849 (or 5033847 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 302030220 is about 17379.0166580276. The cubic root of 302030220 is about 670.9396631817.

Adding to 302030220 its reverse (22030203), we get a palindrome (324060423).

The spelling of 302030220 in words is "three hundred two million, thirty thousand, two hundred twenty".