21341020230 has 144 divisors (see below), whose sum is σ = 56993633424. Its totient is φ = 5539881600.

The previous prime is 21341020219. The next prime is 21341020231. The reversal of 21341020230 is 3202014312.

21341020230 is a `hidden beast` number, since 2 + 1 + 3 + 410 + 20 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341020231) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40804749 + ... + 40805271.

It is an arithmetic number, because the mean of its divisors is an integer number (395789121).

Almost surely, 2^21341020230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21341020230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28496816712).

21341020230 is an abundant number, since it is smaller than the sum of its proper divisors (35652613194).

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

21341020230 is a wasteful number, since it uses less digits than its factorization.

21341020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21341020230 its reverse (3202014312), we get a palindrome (24543034542).

The spelling of 21341020230 in words is "twenty-one billion, three hundred forty-one million, twenty thousand, two hundred thirty".