20351411120 has 80 divisors (see below), whose sum is σ = 47855428128. Its totient is φ = 8048179200.

The previous prime is 20351411111. The next prime is 20351411147. The reversal of 20351411120 is 2111415302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20351411092 and 20351411101.

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 15 ways as a sum of consecutive naturals, for example, 7327172 + ... + 7329948.

Almost surely, 2^20351411120 is an apocalyptic number.

20351411120 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 20351411120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23927714064).

20351411120 is an abundant number, since it is smaller than the sum of its proper divisors (27504017008).

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

20351411120 is a wasteful number, since it uses less digits than its factorization.

20351411120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3798 (or 3792 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 20351411120 its reverse (2111415302), we get a palindrome (22462826422).

The spelling of 20351411120 in words is "twenty billion, three hundred fifty-one million, four hundred eleven thousand, one hundred twenty".