20012344704 has 512 divisors, whose sum is σ = 66885235200. Its totient is φ = 5912248320.

The previous prime is 20012344687. The next prime is 20012344747. The reversal of 20012344704 is 40744321002.

20012344704 is a `hidden beast` number, since 200 + 12 + 3 + 447 + 0 + 4 = 666.

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 63 ways as a sum of consecutive naturals, for example, 206312784 + ... + 206312880.

It is an arithmetic number, because the mean of its divisors is an integer number (130635225).

Almost surely, 2^20012344704 is an apocalyptic number.

20012344704 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 20012344704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33442617600).

20012344704 is an abundant number, since it is smaller than the sum of its proper divisors (46872890496).

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

20012344704 is an frugal number, since it uses more digits than its factorization.

20012344704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 20012344704 its reverse (40744321002), we get a palindrome (60756665706).

The spelling of 20012344704 in words is "twenty billion, twelve million, three hundred forty-four thousand, seven hundred four".