20110411242 has 28 divisors (see below), whose sum is σ = 45227738850. Its totient is φ = 6703469928.

The previous prime is 20110411241. The next prime is 20110411289. The reversal of 20110411242 is 24211401102.

20110411242 is a `hidden beast` number, since 2 + 0 + 1 + 10 + 411 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18613417761 + 1496993481 = 136431^2 + 38691^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20110411241) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6895117 + ... + 6898032.

Almost surely, 2^20110411242 is an apocalyptic number.

20110411242 is an abundant number, since it is smaller than the sum of its proper divisors (25117327608).

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

20110411242 is an equidigital number, since it uses as much as digits as its factorization.

20110411242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793169 (or 13793154 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20110411242 its reverse (24211401102), we get a palindrome (44321812344).

The spelling of 20110411242 in words is "twenty billion, one hundred ten million, four hundred eleven thousand, two hundred forty-two".