302030011220 has 144 divisors (see below), whose sum is σ = 787590760320. Its totient is φ = 96720825600.

The previous prime is 302030011219. The next prime is 302030011223. The reversal of 302030011220 is 22110030203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 302030011195 and 302030011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302030011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1207790 + ... + 1436250.

It is an arithmetic number, because the mean of its divisors is an integer number (5469380280).

Almost surely, 2^302030011220 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 302030011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393795380160).

302030011220 is an abundant number, since it is smaller than the sum of its proper divisors (485560749100).

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

302030011220 is a wasteful number, since it uses less digits than its factorization.

302030011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228574 (or 228565 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 302030011220 its reverse (22110030203), we get a palindrome (324140041423).

The spelling of 302030011220 in words is "three hundred two billion, thirty million, eleven thousand, two hundred twenty".