203420076 has 12 divisors (see below), whose sum is σ = 474646872. Its totient is φ = 67806688.

The previous prime is 203420069. The next prime is 203420081. The reversal of 203420076 is 670024302.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8475825 + ... + 8475848.

It is an arithmetic number, because the mean of its divisors is an integer number (39553906).

Almost surely, 2^203420076 is an apocalyptic number.

It is an amenable number.

203420076 is an abundant number, since it is smaller than the sum of its proper divisors (271226796).

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

203420076 is a wasteful number, since it uses less digits than its factorization.

203420076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951680 (or 16951678 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 203420076 is about 14262.5410078289. The cubic root of 203420076 is about 588.1181793097.

Adding to 203420076 its reverse (670024302), we get a palindrome (873444378).

The spelling of 203420076 in words is "two hundred three million, four hundred twenty thousand, seventy-six".