20754274106315 has 4 divisors (see below), whose sum is σ = 24905128927584. Its totient is φ = 16603419285048.

The previous prime is 20754274106309. The next prime is 20754274106407. The reversal of 20754274106315 is 51360147245702.

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

It is a cyclic number.

It is not a de Polignac number, because 20754274106315 - 2¹⁰ = 20754274105291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20754274106315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2075427410627 + ... + 2075427410636.

It is an arithmetic number, because the mean of its divisors is an integer number (6226282231896).

Almost surely, 2^{20754274106315} is an apocalyptic number.

20754274106315 is a deficient number, since it is larger than the sum of its proper divisors (4150854821269).

20754274106315 is an equidigital number, since it uses as much as digits as its factorization.

20754274106315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150854821268.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 20754274106315 in words is "twenty trillion, seven hundred fifty-four billion, two hundred seventy-four million, one hundred six thousand, three hundred fifteen".