20105496405344 has 48 divisors (see below), whose sum is σ = 45267306368256. Its totient is φ = 8610938563200.

The previous prime is 20105496405341. The next prime is 20105496405349. The reversal of 20105496405344 is 44350469450102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20105496405341) 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 7 ways as a sum of consecutive naturals, for example, 29362622 + ... + 30039549.

It is an arithmetic number, because the mean of its divisors is an integer number (943068882672).

Almost surely, 2^{20105496405344} is an apocalyptic number.

It is an amenable number.

20105496405344 is an abundant number, since it is smaller than the sum of its proper divisors (25161809962912).

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

20105496405344 is a wasteful number, since it uses less digits than its factorization.

20105496405344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59403699 (or 59403691 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 20105496405344 in words is "twenty trillion, one hundred five billion, four hundred ninety-six million, four hundred five thousand, three hundred forty-four".