20312640241110 has 240 divisors, whose sum is σ = 63718871057424. Its totient is φ = 4629505974912.

The previous prime is 20312640241031. The next prime is 20312640241129. The reversal of 20312640241110 is 1114204621302.

20312640241110 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 2 + 640 + 2 + 4 + 1 + 1 + 10 = 666.

It is a super-2 number, since 2×20312640241110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 13034992 + ... + 14509868.

Almost surely, 2^{20312640241110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20312640241110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31859435528712).

20312640241110 is an abundant number, since it is smaller than the sum of its proper divisors (43406230816314).

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

20312640241110 is a wasteful number, since it uses less digits than its factorization.

20312640241110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475257 (or 1475241 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 20312640241110 its reverse (1114204621302), we get a palindrome (21426844862412).

The spelling of 20312640241110 in words is "twenty trillion, three hundred twelve billion, six hundred forty million, two hundred forty-one thousand, one hundred ten".