203452013532 has 48 divisors (see below), whose sum is σ = 483097400352. Its totient is φ = 66627993600.

The previous prime is 203452013521. The next prime is 203452013581. The reversal of 203452013532 is 235310254302.

It is a super-2 number, since 2×203452013532² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203452013532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226719 + ... + 676982.

It is an arithmetic number, because the mean of its divisors is an integer number (10064529174).

Almost surely, 2^203452013532 is an apocalyptic number.

It is an amenable number.

203452013532 is an abundant number, since it is smaller than the sum of its proper divisors (279645386820).

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

203452013532 is a wasteful number, since it uses less digits than its factorization.

203452013532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904038 (or 904036 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 203452013532 its reverse (235310254302), we get a palindrome (438762267834).

The spelling of 203452013532 in words is "two hundred three billion, four hundred fifty-two million, thirteen thousand, five hundred thirty-two".