1303220212020 has 144 divisors (see below), whose sum is σ = 4151406255360. Its totient is φ = 343126233216.

The previous prime is 1303220212009. The next prime is 1303220212039. The reversal of 1303220212020 is 202120223031.

1303220212020 is a `hidden beast` number, since 1 + 303 + 220 + 2 + 120 + 20 = 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 = 1303220211984 and 1303220212002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1313227 + ... + 2081106.

Almost surely, 2^{1303220212020} is an apocalyptic number.

1303220212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303220212020 is an abundant number, since it is smaller than the sum of its proper divisors (2848186043340).

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

1303220212020 is a wasteful number, since it uses less digits than its factorization.

1303220212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394436 (or 3394422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1303220212020 its reverse (202120223031), we get a palindrome (1505340435051).

The spelling of 1303220212020 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred twelve thousand, twenty".