20734031206000 has 120 divisors (see below), whose sum is σ = 58320175479696. Its totient is φ = 7108810665600.

The previous prime is 20734031205997. The next prime is 20734031206001. The reversal of 20734031206000 is 60213043702.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 20734031206000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734031206001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105687874 + ... + 105883873.

Almost surely, 2^{20734031206000} is an apocalyptic number.

20734031206000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20734031206000 is an abundant number, since it is smaller than the sum of its proper divisors (37586144273696).

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

20734031206000 is a wasteful number, since it uses less digits than its factorization.

20734031206000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211571784 (or 211571761 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 20734031206000 its reverse (60213043702), we get a palindrome (20794244249702).

The spelling of 20734031206000 in words is "twenty trillion, seven hundred thirty-four billion, thirty-one million, two hundred six thousand".