13200033550 has 48 divisors (see below), whose sum is σ = 26818564752. Its totient is φ = 4793830400.

The previous prime is 13200033547. The next prime is 13200033577. The reversal of 13200033550 is 5533000231.

It is a happy number.

It is a super-2 number, since 2×13200033550² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423294 + ... + 453406.

It is an arithmetic number, because the mean of its divisors is an integer number (558720099).

Almost surely, 2^13200033550 is an apocalyptic number.

13200033550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13200033550 is an abundant number, since it is smaller than the sum of its proper divisors (13618531202).

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

13200033550 is a wasteful number, since it uses less digits than its factorization.

13200033550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30933 (or 30928 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 13200033550 its reverse (5533000231), we get a palindrome (18733033781).

The spelling of 13200033550 in words is "thirteen billion, two hundred million, thirty-three thousand, five hundred fifty".