203200134144 has 88 divisors (see below), whose sum is σ = 618974283648. Its totient is φ = 58057175040.

The previous prime is 203200134131. The next prime is 203200134169. The reversal of 203200134144 is 441431002302.

It is a super-2 number, since 2×203200134144² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4703202 + ... + 4746209.

Almost surely, 2^203200134144 is an apocalyptic number.

203200134144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203200134144 is an abundant number, since it is smaller than the sum of its proper divisors (415774149504).

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

203200134144 is an equidigital number, since it uses as much as digits as its factorization.

203200134144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449441 (or 9449423 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 203200134144 its reverse (441431002302), we get a palindrome (644631136446).

The spelling of 203200134144 in words is "two hundred three billion, two hundred million, one hundred thirty-four thousand, one hundred forty-four".