303312202020020 has 24 divisors (see below), whose sum is σ = 637568671084800. Its totient is φ = 121208109980832.

The previous prime is 303312202020019. The next prime is 303312202020131. The reversal of 303312202020020 is 20020202213303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 303312202019974 and 303312202020001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7298155400 + ... + 7298196959.

It is an arithmetic number, because the mean of its divisors is an integer number (26565361295200).

Almost surely, 2^{303312202020020} is an apocalyptic number.

It is an amenable number.

303312202020020 is an abundant number, since it is smaller than the sum of its proper divisors (334256469064780).

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

303312202020020 is a wasteful number, since it uses less digits than its factorization.

303312202020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14596353407 (or 14596353405 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 303312202020020 its reverse (20020202213303), we get a palindrome (323332404233323).

The spelling of 303312202020020 in words is "three hundred three trillion, three hundred twelve billion, two hundred two million, twenty thousand, twenty".