20203113404 has 12 divisors (see below), whose sum is σ = 36311001384. Its totient is φ = 9828541584.

The previous prime is 20203113379. The next prime is 20203113443. The reversal of 20203113404 is 40431130202.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 68253614 + ... + 68253909.

It is an arithmetic number, because the mean of its divisors is an integer number (3025916782).

Almost surely, 2^20203113404 is an apocalyptic number.

It is an amenable number.

20203113404 is a deficient number, since it is larger than the sum of its proper divisors (16107887980).

20203113404 is a wasteful number, since it uses less digits than its factorization.

20203113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136507564 (or 136507562 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20203113404 its reverse (40431130202), we get a palindrome (60634243606).

The spelling of 20203113404 in words is "twenty billion, two hundred three million, one hundred thirteen thousand, four hundred four".