20113103334 has 16 divisors (see below), whose sum is σ = 42343375680. Its totient is φ = 6351506280.

The previous prime is 20113103333. The next prime is 20113103347. The reversal of 20113103334 is 43330131102.

It is a self number, because there is not a number n which added to its sum of digits gives 20113103334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113103333) 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, 88215252 + ... + 88215479.

It is an arithmetic number, because the mean of its divisors is an integer number (2646460980).

Almost surely, 2^20113103334 is an apocalyptic number.

20113103334 is an abundant number, since it is smaller than the sum of its proper divisors (22230272346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20113103334 is a wasteful number, since it uses less digits than its factorization.

20113103334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176430755.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20113103334 its reverse (43330131102), we get a palindrome (63443234436).

The spelling of 20113103334 in words is "twenty billion, one hundred thirteen million, one hundred three thousand, three hundred thirty-four".