20315304566342 has 8 divisors (see below), whose sum is σ = 30474055571976. Its totient is φ = 10157286042352.

The previous prime is 20315304566341. The next prime is 20315304566351. The reversal of 20315304566342 is 24366540351302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20315304566342² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20315304566293 and 20315304566302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315304566341) 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 3 ways as a sum of consecutive naturals, for example, 183051068 + ... + 183162015.

It is an arithmetic number, because the mean of its divisors is an integer number (3809256946497).

Almost surely, 2^{20315304566342} is an apocalyptic number.

20315304566342 is a deficient number, since it is larger than the sum of its proper divisors (10158751005634).

20315304566342 is a wasteful number, since it uses less digits than its factorization.

20315304566342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366240822.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 20315304566342 in words is "twenty trillion, three hundred fifteen billion, three hundred four million, five hundred sixty-six thousand, three hundred forty-two".