20113411242 has 32 divisors (see below), whose sum is σ = 40622902272. Its totient is φ = 6638519664.

The previous prime is 20113411231. The next prime is 20113411247. The reversal of 20113411242 is 24211431102.

It is not an unprimeable number, because it can be changed into a prime (20113411247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523313 + ... + 1536459.

It is an arithmetic number, because the mean of its divisors is an integer number (1269465696).

Almost surely, 2^20113411242 is an apocalyptic number.

20113411242 is an abundant number, since it is smaller than the sum of its proper divisors (20509491030).

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

20113411242 is a wasteful number, since it uses less digits than its factorization.

20113411242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20113411242 its reverse (24211431102), we get a palindrome (44324842344).

It can be divided in two parts, 20113411 and 242, that added together give a triangular number (20113653 = T₆₃₄₂).

The spelling of 20113411242 in words is "twenty billion, one hundred thirteen million, four hundred eleven thousand, two hundred forty-two".