20112011403 has 8 divisors (see below), whose sum is σ = 29253834816. Its totient is φ = 12189097800.

The previous prime is 20112011393. The next prime is 20112011429. The reversal of 20112011403 is 30411021102.

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

It is not a de Polignac number, because 20112011403 - 2¹⁰ = 20112010379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112011203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 304727413 + ... + 304727478.

It is an arithmetic number, because the mean of its divisors is an integer number (3656729352).

Almost surely, 2^20112011403 is an apocalyptic number.

20112011403 is a deficient number, since it is larger than the sum of its proper divisors (9141823413).

20112011403 is a wasteful number, since it uses less digits than its factorization.

20112011403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609454905.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20112011403 its reverse (30411021102), we get a palindrome (50523032505).

The spelling of 20112011403 in words is "twenty billion, one hundred twelve million, eleven thousand, four hundred three".