135220230200 has 96 divisors (see below), whose sum is σ = 347100284160. Its totient is φ = 48578505600.

The previous prime is 135220230191. The next prime is 135220230203. The reversal of 135220230200 is 2032022531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135220230203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187664 + ... + 552863.

It is an arithmetic number, because the mean of its divisors is an integer number (3615627960).

Almost surely, 2^135220230200 is an apocalyptic number.

135220230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135220230200 is an abundant number, since it is smaller than the sum of its proper divisors (211880053960).

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

135220230200 is a wasteful number, since it uses less digits than its factorization.

135220230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740637 (or 740628 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 135220230200 its reverse (2032022531), we get a palindrome (137252252731).

The spelling of 135220230200 in words is "one hundred thirty-five billion, two hundred twenty million, two hundred thirty thousand, two hundred".