15205342230 has 192 divisors, whose sum is σ = 45860855040. Its totient is φ = 3463181568.

The previous prime is 15205342223. The next prime is 15205342247. The reversal of 15205342230 is 3224350251.

It is a happy number.

15205342230 is a `hidden beast` number, since 1 + 5 + 205 + 3 + 422 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15205342194 and 15205342203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 947937 + ... + 963843.

It is an arithmetic number, because the mean of its divisors is an integer number (238858620).

Almost surely, 2^15205342230 is an apocalyptic number.

15205342230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15205342230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22930427520).

15205342230 is an abundant number, since it is smaller than the sum of its proper divisors (30655512810).

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

15205342230 is a wasteful number, since it uses less digits than its factorization.

15205342230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15995 (or 15992 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 15205342230 its reverse (3224350251), we get a palindrome (18429692481).

It can be divided in two parts, 15205 and 342230, that added together give a triangular number (357435 = T₈₄₅).

The spelling of 15205342230 in words is "fifteen billion, two hundred five million, three hundred forty-two thousand, two hundred thirty".