20802760363641 has 16 divisors (see below), whose sum is σ = 27984925995264. Its totient is φ = 13744572328704.

The previous prime is 20802760363603. The next prime is 20802760363667. The reversal of 20802760363641 is 14636306720802.

It is not a de Polignac number, because 20802760363641 - 2¹⁹ = 20802759839353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20802760361641) 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, 1194400 + ... + 6559886.

It is an arithmetic number, because the mean of its divisors is an integer number (1749057874704).

Almost surely, 2^{20802760363641} is an apocalyptic number.

It is an amenable number.

20802760363641 is a deficient number, since it is larger than the sum of its proper divisors (7182165631623).

20802760363641 is a wasteful number, since it uses less digits than its factorization.

20802760363641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377040.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 20802760363641 in words is "twenty trillion, eight hundred two billion, seven hundred sixty million, three hundred sixty-three thousand, six hundred forty-one".