21032020133130 has 96 divisors (see below), whose sum is σ = 53707654293696. Its totient is φ = 5270068013056.

The previous prime is 21032020133093. The next prime is 21032020133141. The reversal of 21032020133130 is 3133102023012.

It is a super-3 number, since 3×21032020133130³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21032020133097 and 21032020133106.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3383557 + ... + 7315223.

It is an arithmetic number, because the mean of its divisors is an integer number (559454732226).

Almost surely, 2^{21032020133130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21032020133130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26853827146848).

21032020133130 is an abundant number, since it is smaller than the sum of its proper divisors (32675634160566).

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

21032020133130 is a wasteful number, since it uses less digits than its factorization.

21032020133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932328 (or 3932311 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21032020133130 its reverse (3133102023012), we get a palindrome (24165122156142).

The spelling of 21032020133130 in words is "twenty-one trillion, thirty-two billion, twenty million, one hundred thirty-three thousand, one hundred thirty".