20411401104 has 30 divisors (see below), whose sum is σ = 57123574326. Its totient is φ = 6803800320.

The previous prime is 20411401061. The next prime is 20411401139. The reversal of 20411401104 is 40110411402.

It can be written as a sum of positive squares in only one way, i.e., 17755029504 + 2656371600 = 133248^2 + 51540^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70872777 + ... + 70873064.

Almost surely, 2^20411401104 is an apocalyptic number.

20411401104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20411401104 is an abundant number, since it is smaller than the sum of its proper divisors (36712173222).

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

20411401104 is a wasteful number, since it uses less digits than its factorization.

20411401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141745855 (or 141745846 counting only the distinct ones).

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

Adding to 20411401104 its reverse (40110411402), we get a palindrome (60521812506).

The spelling of 20411401104 in words is "twenty billion, four hundred eleven million, four hundred one thousand, one hundred four".