20403103118 has 8 divisors (see below), whose sum is σ = 30607897680. Its totient is φ = 10200470560.

The previous prime is 20403103073. The next prime is 20403103141. The reversal of 20403103118 is 81130130402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20403103093 and 20403103102.

It is a congruent number.

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, 516698 + ... + 554781.

It is an arithmetic number, because the mean of its divisors is an integer number (3825987210).

Almost surely, 2^20403103118 is an apocalyptic number.

20403103118 is a deficient number, since it is larger than the sum of its proper divisors (10204794562).

20403103118 is a wasteful number, since it uses less digits than its factorization.

20403103118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081002.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 20403103118 in words is "twenty billion, four hundred three million, one hundred three thousand, one hundred eighteen".