20340055454052 has 12 divisors (see below), whose sum is σ = 47460129392816. Its totient is φ = 6780018484680.

The previous prime is 20340055454041. The next prime is 20340055454053. The reversal of 20340055454052 is 25045455004302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 20340055454052.

It is not an unprimeable number, because it can be changed into a prime (20340055454053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847502310574 + ... + 847502310597.

Almost surely, 2^{20340055454052} is an apocalyptic number.

It is an amenable number.

20340055454052 is an abundant number, since it is smaller than the sum of its proper divisors (27120073938764).

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

20340055454052 is a wasteful number, since it uses less digits than its factorization.

20340055454052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695004621178 (or 1695004621176 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 20340055454052 in words is "twenty trillion, three hundred forty billion, fifty-five million, four hundred fifty-four thousand, fifty-two".