20718041743342 has 4 divisors (see below), whose sum is σ = 31077062615016. Its totient is φ = 10359020871670.

The previous prime is 20718041743339. The next prime is 20718041743367. The reversal of 20718041743342 is 24334714081702.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20718041743292 and 20718041743301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5179510435834 + ... + 5179510435837.

It is an arithmetic number, because the mean of its divisors is an integer number (7769265653754).

Almost surely, 2^{20718041743342} is an apocalyptic number.

20718041743342 is a deficient number, since it is larger than the sum of its proper divisors (10359020871674).

20718041743342 is a wasteful number, since it uses less digits than its factorization.

20718041743342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359020871673.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 20718041743342 in words is "twenty trillion, seven hundred eighteen billion, forty-one million, seven hundred forty-three thousand, three hundred forty-two".