20111411442 has 8 divisors (see below), whose sum is σ = 40222822896. Its totient is φ = 6703803812.

The previous prime is 20111411423. The next prime is 20111411477. The reversal of 20111411442 is 24411411102.

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

20111411442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675950948 + ... + 1675950959.

It is an arithmetic number, because the mean of its divisors is an integer number (5027852862).

Almost surely, 2^20111411442 is an apocalyptic number.

20111411442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20111411442 is a wasteful number, since it uses less digits than its factorization.

20111411442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351901912.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 20111411442 its reverse (24411411102), we get a palindrome (44522822544).

The spelling of 20111411442 in words is "twenty billion, one hundred eleven million, four hundred eleven thousand, four hundred forty-two".