203129064 has 48 divisors (see below), whose sum is σ = 552972420. Its totient is φ = 67361280.

The previous prime is 203129063. The next prime is 203129071. The reversal of 203129064 is 460921302.

It can be written as a sum of positive squares in 2 ways, for example, as 203062500 + 66564 = 14250^2 + 258^2 .

It is a super-2 number, since 2×203129064² = 82522833283032192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203129063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7024 + ... + 21344.

Almost surely, 2^203129064 is an apocalyptic number.

203129064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203129064 is an abundant number, since it is smaller than the sum of its proper divisors (349843356).

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

203129064 is a wasteful number, since it uses less digits than its factorization.

203129064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14530 (or 14523 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 203129064 is about 14252.3353875777. The cubic root of 203129064 is about 587.8375922422.

The spelling of 203129064 in words is "two hundred three million, one hundred twenty-nine thousand, sixty-four".