13003023312020 has 96 divisors (see below), whose sum is σ = 31301730367488. Its totient is φ = 4444686836352.

The previous prime is 13003023312001. The next prime is 13003023312047. The reversal of 13003023312020 is 2021332030031.

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 = 13003023311983 and 13003023312001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435407609 + ... + 435437471.

It is an arithmetic number, because the mean of its divisors is an integer number (326059691328).

Almost surely, 2^{13003023312020} is an apocalyptic number.

13003023312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003023312020 is an abundant number, since it is smaller than the sum of its proper divisors (18298707055468).

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

13003023312020 is a wasteful number, since it uses less digits than its factorization.

13003023312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39189 (or 39187 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13003023312020 its reverse (2021332030031), we get a palindrome (15024355342051).

The spelling of 13003023312020 in words is "thirteen trillion, three billion, twenty-three million, three hundred twelve thousand, twenty".