20411400020 has 96 divisors (see below), whose sum is σ = 49681054080. Its totient is φ = 6972618240.

The previous prime is 20411400001. The next prime is 20411400083. The reversal of 20411400020 is 2000411402.

It is a junction number, because it is equal to n+sod(n) for n = 20411399968 and 20411400004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192827 + ... + 279293.

It is an arithmetic number, because the mean of its divisors is an integer number (517510980).

Almost surely, 2^20411400020 is an apocalyptic number.

20411400020 is a gapful number since it is divisible by the number (20) 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 20411400020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24840527040).

20411400020 is an abundant number, since it is smaller than the sum of its proper divisors (29269654060).

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

20411400020 is a wasteful number, since it uses less digits than its factorization.

20411400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86553 (or 86551 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20411400020 its reverse (2000411402), we get a palindrome (22411811422).

The spelling of 20411400020 in words is "twenty billion, four hundred eleven million, four hundred thousand, twenty".