20411402221104 has 80 divisors (see below), whose sum is σ = 53375957386752. Its totient is φ = 6720415605504.

The previous prime is 20411402221043. The next prime is 20411402221123. The reversal of 20411402221104 is 40112220411402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18519894 + ... + 19591050.

Almost surely, 2^{20411402221104} is an apocalyptic number.

20411402221104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411402221104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26687978693376).

20411402221104 is an abundant number, since it is smaller than the sum of its proper divisors (32964555165648).

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

20411402221104 is a wasteful number, since it uses less digits than its factorization.

20411402221104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076034 (or 1076028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 20411402221104 its reverse (40112220411402), we get a palindrome (60523622632506).

The spelling of 20411402221104 in words is "twenty trillion, four hundred eleven billion, four hundred two million, two hundred twenty-one thousand, one hundred four".