303020030220 has 192 divisors, whose sum is σ = 902898855936. Its totient is φ = 75669442560.

The previous prime is 303020030213. The next prime is 303020030231. The reversal of 303020030220 is 22030020303.

It is a super-2 number, since 2×303020030220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 303020030220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246157005 + ... + 246158235.

It is an arithmetic number, because the mean of its divisors is an integer number (4702598208).

Almost surely, 2^303020030220 is an apocalyptic number.

303020030220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303020030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451449427968).

303020030220 is an abundant number, since it is smaller than the sum of its proper divisors (599878825716).

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

303020030220 is a wasteful number, since it uses less digits than its factorization.

303020030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2278 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 303020030220 its reverse (22030020303), we get a palindrome (325050050523).

The spelling of 303020030220 in words is "three hundred three billion, twenty million, thirty thousand, two hundred twenty".