303220031020 has 12 divisors (see below), whose sum is σ = 636762065184. Its totient is φ = 121288012400.

The previous prime is 303220031011. The next prime is 303220031027. The reversal of 303220031020 is 20130022303.

It is a junction number, because it is equal to n+sod(n) for n = 303220030985 and 303220031003.

It is not an unprimeable number, because it can be changed into a prime (303220031027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7580500756 + ... + 7580500795.

It is an arithmetic number, because the mean of its divisors is an integer number (53063505432).

Almost surely, 2^303220031020 is an apocalyptic number.

It is an amenable number.

303220031020 is an abundant number, since it is smaller than the sum of its proper divisors (333542034164).

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

303220031020 is a wasteful number, since it uses less digits than its factorization.

303220031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161001560 (or 15161001558 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 303220031020 its reverse (20130022303), we get a palindrome (323350053323).

The spelling of 303220031020 in words is "three hundred three billion, two hundred twenty million, thirty-one thousand, twenty".