203200221132 has 48 divisors (see below), whose sum is σ = 526849505280. Its totient is φ = 67729020624.

The previous prime is 203200221127. The next prime is 203200221137. The reversal of 203200221132 is 231122002302.

It is an interprime number because it is at equal distance from previous prime (203200221127) and next prime (203200221137).

It is a super-2 number, since 2×203200221132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (203200221137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907593 + ... + 2011295.

It is an arithmetic number, because the mean of its divisors is an integer number (10976031360).

Almost surely, 2^203200221132 is an apocalyptic number.

It is an amenable number.

203200221132 is an abundant number, since it is smaller than the sum of its proper divisors (323649284148).

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

203200221132 is a wasteful number, since it uses less digits than its factorization.

203200221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121859 (or 121851 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 203200221132 its reverse (231122002302), we get a palindrome (434322223434).

The spelling of 203200221132 in words is "two hundred three billion, two hundred million, two hundred twenty-one thousand, one hundred thirty-two".