21132302230 has 32 divisors (see below), whose sum is σ = 40970952288. Its totient is φ = 7801401600.

The previous prime is 21132302209. The next prime is 21132302237. The reversal of 21132302230 is 3220323112.

It is a junction number, because it is equal to n+sod(n) for n = 21132302198 and 21132302207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132302237) 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, 1172890 + ... + 1190770.

It is an arithmetic number, because the mean of its divisors is an integer number (1280342259).

Almost surely, 2^21132302230 is an apocalyptic number.

21132302230 is a deficient number, since it is larger than the sum of its proper divisors (19838650058).

21132302230 is a wasteful number, since it uses less digits than its factorization.

21132302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26992.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21132302230 its reverse (3220323112), we get a palindrome (24352625342).

The spelling of 21132302230 in words is "twenty-one billion, one hundred thirty-two million, three hundred two thousand, two hundred thirty".