1303302020020 has 192 divisors, whose sum is σ = 3675702514176. Its totient is φ = 374880337920.

The previous prime is 1303302019993. The next prime is 1303302020023. The reversal of 1303302020020 is 200202033031.

It is a junction number, because it is equal to n+sod(n) for n = 1303302019976 and 1303302020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303302020023) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126861604 + ... + 126871876.

It is an arithmetic number, because the mean of its divisors is an integer number (19144283928).

Almost surely, 2^{1303302020020} is an apocalyptic number.

1303302020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303302020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1837851257088).

1303302020020 is an abundant number, since it is smaller than the sum of its proper divisors (2372400494156).

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

1303302020020 is a wasteful number, since it uses less digits than its factorization.

1303302020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650 (or 16648 counting only the distinct ones).

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

Adding to 1303302020020 its reverse (200202033031), we get a palindrome (1503504053051).

The spelling of 1303302020020 in words is "one trillion, three hundred three billion, three hundred two million, twenty thousand, twenty".