203021132 has 6 divisors (see below), whose sum is σ = 355286988. Its totient is φ = 101510564.

The previous prime is 203021131. The next prime is 203021149. The reversal of 203021132 is 231120302.

It is a happy number.

203021132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203021132² = 82435160077122848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25377638 + ... + 25377645.

It is an arithmetic number, because the mean of its divisors is an integer number (59214498).

Almost surely, 2^203021132 is an apocalyptic number.

It is an amenable number.

203021132 is a deficient number, since it is larger than the sum of its proper divisors (152265856).

203021132 is a wasteful number, since it uses less digits than its factorization.

203021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50755287 (or 50755285 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 203021132 is about 14248.5484172950. The cubic root of 203021132 is about 587.7334585673.

Adding to 203021132 its reverse (231120302), we get a palindrome (434141434).

The spelling of 203021132 in words is "two hundred three million, twenty-one thousand, one hundred thirty-two".