13033212020 has 48 divisors (see below), whose sum is σ = 28095270336. Its totient is φ = 5075616000.

The previous prime is 13033211977. The next prime is 13033212029. The reversal of 13033212020 is 2021233031.

It is a self number, because there is not a number n which added to its sum of digits gives 13033212020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033212029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386435 + ... + 418805.

It is an arithmetic number, because the mean of its divisors is an integer number (585318132).

Almost surely, 2^13033212020 is an apocalyptic number.

13033212020 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 13033212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14047635168).

13033212020 is an abundant number, since it is smaller than the sum of its proper divisors (15062058316).

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

13033212020 is a wasteful number, since it uses less digits than its factorization.

13033212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32912 (or 32910 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13033212020 its reverse (2021233031), we get a palindrome (15054445051).

The spelling of 13033212020 in words is "thirteen billion, thirty-three million, two hundred twelve thousand, twenty".