20752012707578 has 8 divisors (see below), whose sum is σ = 31655612604960. Its totient is φ = 10200141839260.

The previous prime is 20752012707571. The next prime is 20752012707611. The reversal of 20752012707578 is 87570721025702.

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

It is not an unprimeable number, because it can be changed into a prime (20752012707571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87932257118 + ... + 87932257353.

It is an arithmetic number, because the mean of its divisors is an integer number (3956951575620).

Almost surely, 2^{20752012707578} is an apocalyptic number.

20752012707578 is a deficient number, since it is larger than the sum of its proper divisors (10903599897382).

20752012707578 is a wasteful number, since it uses less digits than its factorization.

20752012707578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175864514532.

The product of its (nonzero) digits is 3841600, while the sum is 53.

The spelling of 20752012707578 in words is "twenty trillion, seven hundred fifty-two billion, twelve million, seven hundred seven thousand, five hundred seventy-eight".