303213130020 has 144 divisors (see below), whose sum is σ = 966572967360. Its totient is φ = 76841872128.

The previous prime is 303213129997. The next prime is 303213130037. The reversal of 303213130020 is 20031312303.

303213130020 is a `hidden beast` number, since 30 + 321 + 313 + 0 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 303213129975 and 303213130002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243010 + ... + 815769.

Almost surely, 2^303213130020 is an apocalyptic number.

303213130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

303213130020 is an abundant number, since it is smaller than the sum of its proper divisors (663359837340).

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

303213130020 is a wasteful number, since it uses less digits than its factorization.

303213130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058874 (or 1058869 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 303213130020 its reverse (20031312303), we get a palindrome (323244442323).

The spelling of 303213130020 in words is "three hundred three billion, two hundred thirteen million, one hundred thirty thousand, twenty".