20134400200 has 48 divisors (see below), whose sum is σ = 47149326000. Its totient is φ = 7995808320.

The previous prime is 20134400183. The next prime is 20134400207. The reversal of 20134400200 is 200443102.

It is not an unprimeable number, because it can be changed into a prime (20134400207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334330 + ... + 389929.

It is an arithmetic number, because the mean of its divisors is an integer number (982277625).

Almost surely, 2^20134400200 is an apocalyptic number.

20134400200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134400200 is an abundant number, since it is smaller than the sum of its proper divisors (27014925800).

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

20134400200 is a wasteful number, since it uses less digits than its factorization.

20134400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724414 (or 724405 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20134400200 its reverse (200443102), we get a palindrome (20334843302).

The spelling of 20134400200 in words is "twenty billion, one hundred thirty-four million, four hundred thousand, two hundred".