20750645771141 has 16 divisors (see below), whose sum is σ = 24378652068288. Its totient is φ = 17412935731200.

The previous prime is 20750645771099. The next prime is 20750645771153. The reversal of 20750645771141 is 14117754605702.

It is a cyclic number.

It is not a de Polignac number, because 20750645771141 - 2¹⁸ = 20750645508997 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 20750645771141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20750645771741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12914426 + ... + 14432036.

It is an arithmetic number, because the mean of its divisors is an integer number (1523665754268).

Almost surely, 2^{20750645771141} is an apocalyptic number.

It is an amenable number.

20750645771141 is a deficient number, since it is larger than the sum of its proper divisors (3628006297147).

20750645771141 is a wasteful number, since it uses less digits than its factorization.

20750645771141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613252.

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 20750645771141 in words is "twenty trillion, seven hundred fifty billion, six hundred forty-five million, seven hundred seventy-one thousand, one hundred forty-one".