203011220402 has 4 divisors (see below), whose sum is σ = 304516830606. Its totient is φ = 101505610200.

The previous prime is 203011220371. The next prime is 203011220411. The reversal of 203011220402 is 204022110302.

203011220402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 202823228881 + 187991521 = 450359^2 + 13711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50752805099 + ... + 50752805102.

Almost surely, 2^203011220402 is an apocalyptic number.

203011220402 is a deficient number, since it is larger than the sum of its proper divisors (101505610204).

203011220402 is a wasteful number, since it uses less digits than its factorization.

203011220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101505610203.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 203011220402 its reverse (204022110302), we get a palindrome (407033330704).

The spelling of 203011220402 in words is "two hundred three billion, eleven million, two hundred twenty thousand, four hundred two".