20346654110163 has 32 divisors (see below), whose sum is σ = 28228846755840. Its totient is φ = 13021860741120.

The previous prime is 20346654110137. The next prime is 20346654110179. The reversal of 20346654110163 is 36101145664302.

It is a happy number.

It is not a de Polignac number, because 20346654110163 - 2⁸ = 20346654109907 is a prime.

It is a super-2 number, since 2×20346654110163² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20346654110863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4730358 + ... + 7941636.

It is an arithmetic number, because the mean of its divisors is an integer number (882151461120).

Almost surely, 2^{20346654110163} is an apocalyptic number.

20346654110163 is a deficient number, since it is larger than the sum of its proper divisors (7882192645677).

20346654110163 is a wasteful number, since it uses less digits than its factorization.

20346654110163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211859.

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 20346654110163 its reverse (36101145664302), we get a palindrome (56447799774465).

The spelling of 20346654110163 in words is "twenty trillion, three hundred forty-six billion, six hundred fifty-four million, one hundred ten thousand, one hundred sixty-three".