203240532 has 96 divisors (see below), whose sum is σ = 538965504. Its totient is φ = 59068800.

The previous prime is 203240509. The next prime is 203240551. The reversal of 203240532 is 235042302.

It is a junction number, because it is equal to n+sod(n) for n = 203240499 and 203240508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345943 + ... + 346529.

It is an arithmetic number, because the mean of its divisors is an integer number (5614224).

Almost surely, 2^203240532 is an apocalyptic number.

203240532 is a gapful number since it is divisible by the number (22) 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 203240532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269482752).

203240532 is an abundant number, since it is smaller than the sum of its proper divisors (335724972).

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

203240532 is a wasteful number, since it uses less digits than its factorization.

203240532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 203240532 is about 14256.2453682588. The cubic root of 203240532 is about 587.9450987660.

Adding to 203240532 its reverse (235042302), we get a palindrome (438282834).

The spelling of 203240532 in words is "two hundred three million, two hundred forty thousand, five hundred thirty-two".