21303541060 has 48 divisors (see below), whose sum is σ = 46075115520. Its totient is φ = 8267909760.

The previous prime is 21303541037. The next prime is 21303541067. The reversal of 21303541060 is 6014530312.

It is a super-3 number, since 3×21303541060³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21303541067) 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, 225565 + ... + 305755.

It is an arithmetic number, because the mean of its divisors is an integer number (959898240).

Almost surely, 2^21303541060 is an apocalyptic number.

21303541060 is a gapful number since it is divisible by the number (20) 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 21303541060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23037557760).

21303541060 is an abundant number, since it is smaller than the sum of its proper divisors (24771574460).

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

21303541060 is a wasteful number, since it uses less digits than its factorization.

21303541060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80596 (or 80594 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 21303541060 in words is "twenty-one billion, three hundred three million, five hundred forty-one thousand, sixty".