20240736754345 has 32 divisors (see below), whose sum is σ = 26665061068800. Its totient is φ = 14681044847616.

The previous prime is 20240736754333. The next prime is 20240736754361. The reversal of 20240736754345 is 54345763704202.

It is a cyclic number.

It is not a de Polignac number, because 20240736754345 - 2¹⁷ = 20240736623273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20240736754292 and 20240736754301.

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, 8270089 + ... + 10434358.

It is an arithmetic number, because the mean of its divisors is an integer number (833283158400).

Almost surely, 2^{20240736754345} is an apocalyptic number.

It is an amenable number.

20240736754345 is a deficient number, since it is larger than the sum of its proper divisors (6424324314455).

20240736754345 is a wasteful number, since it uses less digits than its factorization.

20240736754345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18704937.

The product of its (nonzero) digits is 16934400, while the sum is 52.

The spelling of 20240736754345 in words is "twenty trillion, two hundred forty billion, seven hundred thirty-six million, seven hundred fifty-four thousand, three hundred forty-five".