13204232550 has 96 divisors (see below), whose sum is σ = 37368516000. Its totient is φ = 3425950080.

The previous prime is 13204232543. The next prime is 13204232551. The reversal of 13204232550 is 5523240231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204232551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82225 + ... + 182124.

It is an arithmetic number, because the mean of its divisors is an integer number (389255375).

Almost surely, 2^13204232550 is an apocalyptic number.

13204232550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13204232550 is an abundant number, since it is smaller than the sum of its proper divisors (24164283450).

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

13204232550 is a wasteful number, since it uses less digits than its factorization.

13204232550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264407 (or 264396 counting only the distinct ones).

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

Adding to 13204232550 its reverse (5523240231), we get a palindrome (18727472781).

The spelling of 13204232550 in words is "thirteen billion, two hundred four million, two hundred thirty-two thousand, five hundred fifty".