13300032020 has 72 divisors (see below), whose sum is σ = 30726418632. Its totient is φ = 4832213760.

The previous prime is 13300032017. The next prime is 13300032073. The reversal of 13300032020 is 2023000331.

It can be written as a sum of positive squares in 4 ways, for example, as 407044 + 13299624976 = 638^2 + 115324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13300031986 and 13300032004.

It is a congruent number.

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, 4966922 + ... + 4969598.

Almost surely, 2^13300032020 is an apocalyptic number.

13300032020 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 13300032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15363209316).

13300032020 is an abundant number, since it is smaller than the sum of its proper divisors (17426386612).

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

13300032020 is a wasteful number, since it uses less digits than its factorization.

13300032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4748 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 13300032020 its reverse (2023000331), we get a palindrome (15323032351).

The spelling of 13300032020 in words is "thirteen billion, three hundred million, thirty-two thousand, twenty".