20747152046265 has 8 divisors (see below), whose sum is σ = 33195443274048. Its totient is φ = 11065147758000.

The previous prime is 20747152046263. The next prime is 20747152046281. The reversal of 20747152046265 is 56264025174702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20747152046265 - 2¹ = 20747152046263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20747152046261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691571734861 + ... + 691571734890.

It is an arithmetic number, because the mean of its divisors is an integer number (4149430409256).

Almost surely, 2^{20747152046265} is an apocalyptic number.

It is an amenable number.

20747152046265 is a deficient number, since it is larger than the sum of its proper divisors (12448291227783).

20747152046265 is a wasteful number, since it uses less digits than its factorization.

20747152046265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383143469759.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 20747152046265 in words is "twenty trillion, seven hundred forty-seven billion, one hundred fifty-two million, forty-six thousand, two hundred sixty-five".