200642720403 has 16 divisors (see below), whose sum is σ = 269669584800. Its totient is φ = 132692281344.

The previous prime is 200642720357. The next prime is 200642720459. The reversal of 200642720403 is 304027246002.

It is not a de Polignac number, because 200642720403 - 2⁶ = 200642720339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200642720503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197476 + ... + 663537.

It is an arithmetic number, because the mean of its divisors is an integer number (16854349050).

Almost surely, 2^200642720403 is an apocalyptic number.

200642720403 is a deficient number, since it is larger than the sum of its proper divisors (69026864397).

200642720403 is a wasteful number, since it uses less digits than its factorization.

200642720403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861638.

The product of its (nonzero) digits is 16128, while the sum is 30.

Adding to 200642720403 its reverse (304027246002), we get a palindrome (504669966405).

The spelling of 200642720403 in words is "two hundred billion, six hundred forty-two million, seven hundred twenty thousand, four hundred three".