1303112203020 has 72 divisors (see below), whose sum is σ = 3991910111280. Its totient is φ = 344056022400.

The previous prime is 1303112202971. The next prime is 1303112203039. The reversal of 1303112203020 is 203022113031.

1303112203020 is a `hidden beast` number, since 1 + 30 + 311 + 2 + 20 + 302 + 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 = 1303112202984 and 1303112203002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35820990 + ... + 35857349.

It is an arithmetic number, because the mean of its divisors is an integer number (55443195990).

Almost surely, 2^{1303112203020} is an apocalyptic number.

1303112203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303112203020 is an abundant number, since it is smaller than the sum of its proper divisors (2688797908260).

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

1303112203020 is a wasteful number, since it uses less digits than its factorization.

1303112203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71678455 (or 71678450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1303112203020 its reverse (203022113031), we get a palindrome (1506134316051).

The spelling of 1303112203020 in words is "one trillion, three hundred three billion, one hundred twelve million, two hundred three thousand, twenty".