20116233026240 has 112 divisors (see below), whose sum is σ = 51609866491008. Its totient is φ = 7424172478464.

The previous prime is 20116233026237. The next prime is 20116233026257. The reversal of 20116233026240 is 4262033261102.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 20116233026197 and 20116233026206.

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, 8113529 + ... + 10298631.

It is an arithmetic number, because the mean of its divisors is an integer number (460802379384).

Almost surely, 2^{20116233026240} is an apocalyptic number.

20116233026240 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 20116233026240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25804933245504).

20116233026240 is an abundant number, since it is smaller than the sum of its proper divisors (31493633464768).

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

20116233026240 is a wasteful number, since it uses less digits than its factorization.

20116233026240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187346 (or 2187336 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20116233026240 its reverse (4262033261102), we get a palindrome (24378266287342).

The spelling of 20116233026240 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-three million, twenty-six thousand, two hundred forty".