20748165414345 has 96 divisors (see below), whose sum is σ = 37443875788800. Its totient is φ = 10615248806400.

The previous prime is 20748165414331. The next prime is 20748165414359. The reversal of 20748165414345 is 54341456184702.

20748165414345 is a `hidden beast` number, since 2 + 0 + 7 + 4 + 8 + 16 + 541 + 43 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (20748165414331) and next prime (20748165414359).

It is not a de Polignac number, because 20748165414345 - 2⁴ = 20748165414329 is a prime.

It is a super-2 number, since 2×20748165414345² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20748165414291 and 20748165414300.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206582190 + ... + 206682600.

It is an arithmetic number, because the mean of its divisors is an integer number (390040372800).

Almost surely, 2^{20748165414345} is an apocalyptic number.

It is an amenable number.

20748165414345 is a deficient number, since it is larger than the sum of its proper divisors (16695710374455).

20748165414345 is a wasteful number, since it uses less digits than its factorization.

20748165414345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101471 (or 101468 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 54.

The spelling of 20748165414345 in words is "twenty trillion, seven hundred forty-eight billion, one hundred sixty-five million, four hundred fourteen thousand, three hundred forty-five".