203252240000 has 160 divisors (see below), whose sum is σ = 507090054240. Its totient is φ = 81123200000.

The previous prime is 203252239963. The next prime is 203252240003. The reversal of 203252240000 is 42252302.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×203252240000² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (203252240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40237475 + ... + 40242525.

It is an arithmetic number, because the mean of its divisors is an integer number (3169312839).

Almost surely, 2^203252240000 is an apocalyptic number.

203252240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203252240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253545027120).

203252240000 is an abundant number, since it is smaller than the sum of its proper divisors (303837814240).

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

203252240000 is an frugal number, since it uses more digits than its factorization.

203252240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5588 (or 5561 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 203252240000 its reverse (42252302), we get a palindrome (203294492302).

The spelling of 203252240000 in words is "two hundred three billion, two hundred fifty-two million, two hundred forty thousand".