303220020000 has 240 divisors, whose sum is σ = 1010939795712. Its totient is φ = 79532160000.

The previous prime is 303220019983. The next prime is 303220020001. The reversal of 303220020000 is 20022303.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is not an unprimeable number, because it can be changed into a prime (303220020001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3618577 + ... + 3701423.

Almost surely, 2^303220020000 is an apocalyptic number.

303220020000 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 303220020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505469897856).

303220020000 is an abundant number, since it is smaller than the sum of its proper divisors (707719775712).

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

303220020000 is an equidigital number, since it uses as much as digits as its factorization.

303220020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82941 (or 82918 counting only the distinct ones).

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

Adding to 303220020000 its reverse (20022303), we get a palindrome (303240042303).

The spelling of 303220020000 in words is "three hundred three billion, two hundred twenty million, twenty thousand".