20346514403242 has 64 divisors (see below), whose sum is σ = 34104614544000. Its totient is φ = 9047238285312.

The previous prime is 20346514403239. The next prime is 20346514403263. The reversal of 20346514403242 is 24230441564302.

It is a super-2 number, since 2×20346514403242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20346514403195 and 20346514403204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 696569134 + ... + 696598342.

It is an arithmetic number, because the mean of its divisors is an integer number (532884602250).

Almost surely, 2^{20346514403242} is an apocalyptic number.

20346514403242 is a deficient number, since it is larger than the sum of its proper divisors (13758100140758).

20346514403242 is a wasteful number, since it uses less digits than its factorization.

20346514403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32023.

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 20346514403242 its reverse (24230441564302), we get a palindrome (44576955967544).

The spelling of 20346514403242 in words is "twenty trillion, three hundred forty-six billion, five hundred fourteen million, four hundred three thousand, two hundred forty-two".