203420132 has 6 divisors (see below), whose sum is σ = 355985238. Its totient is φ = 101710064.

The previous prime is 203420131. The next prime is 203420153. The reversal of 203420132 is 231024302.

It can be written as a sum of positive squares in only one way, i.e., 190053796 + 13366336 = 13786^2 + 3656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203420132.

It is not an unprimeable number, because it can be changed into a prime (203420131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25427513 + ... + 25427520.

It is an arithmetic number, because the mean of its divisors is an integer number (59330873).

Almost surely, 2^203420132 is an apocalyptic number.

It is an amenable number.

203420132 is a deficient number, since it is larger than the sum of its proper divisors (152565106).

203420132 is a wasteful number, since it uses less digits than its factorization.

203420132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50855037 (or 50855035 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203420132 is about 14262.5429710133. The cubic root of 203420132 is about 588.1182332778.

Adding to 203420132 its reverse (231024302), we get a palindrome (434444434).

The spelling of 203420132 in words is "two hundred three million, four hundred twenty thousand, one hundred thirty-two".