20111034013 has 8 divisors (see below), whose sum is σ = 22986008640. Its totient is φ = 17236551840.

The previous prime is 20111034011. The next prime is 20111034059. The reversal of 20111034013 is 31043011102.

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

It is a cyclic number.

It is not a de Polignac number, because 20111034013 - 2¹ = 20111034011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111034011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31003 + ... + 202936.

It is an arithmetic number, because the mean of its divisors is an integer number (2873251080).

Almost surely, 2^20111034013 is an apocalyptic number.

It is an amenable number.

20111034013 is a deficient number, since it is larger than the sum of its proper divisors (2874974627).

20111034013 is a wasteful number, since it uses less digits than its factorization.

20111034013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246227.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20111034013 its reverse (31043011102), we get a palindrome (51154045115).

The spelling of 20111034013 in words is "twenty billion, one hundred eleven million, thirty-four thousand, thirteen".