20342104310444 has 12 divisors (see below), whose sum is σ = 40684208620944. Its totient is φ = 8718044704464.

The previous prime is 20342104310431. The next prime is 20342104310467. The reversal of 20342104310444 is 44401340124302.

20342104310444 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20342104310444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363251862659 + ... + 363251862714.

It is an arithmetic number, because the mean of its divisors is an integer number (3390350718412).

Almost surely, 2^{20342104310444} is an apocalyptic number.

It is an amenable number.

20342104310444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20342104310444 is a wasteful number, since it uses less digits than its factorization.

20342104310444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726503725384 (or 726503725382 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 20342104310444 its reverse (44401340124302), we get a palindrome (64743444434746).

The spelling of 20342104310444 in words is "twenty trillion, three hundred forty-two billion, one hundred four million, three hundred ten thousand, four hundred forty-four".