20203403402 has 32 divisors (see below), whose sum is σ = 37342300800. Its totient is φ = 7983188928.

The previous prime is 20203403393. The next prime is 20203403419. The reversal of 20203403402 is 20430430202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91724 + ... + 220952.

It is an arithmetic number, because the mean of its divisors is an integer number (1166946900).

Almost surely, 2^20203403402 is an apocalyptic number.

20203403402 is a deficient number, since it is larger than the sum of its proper divisors (17138897398).

20203403402 is a wasteful number, since it uses less digits than its factorization.

20203403402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130110.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20203403402 its reverse (20430430202), we get a palindrome (40633833604).

The spelling of 20203403402 in words is "twenty billion, two hundred three million, four hundred three thousand, four hundred two".