20369451614721 has 32 divisors (see below), whose sum is σ = 29639651880960. Its totient is φ = 12340390545600.

The previous prime is 20369451614717. The next prime is 20369451614723. The reversal of 20369451614721 is 12741615496302.

It is not a de Polignac number, because 20369451614721 - 2² = 20369451614717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20369451614723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411499376 + ... + 1411513806.

It is an arithmetic number, because the mean of its divisors is an integer number (926239121280).

Almost surely, 2^{20369451614721} is an apocalyptic number.

It is an amenable number.

20369451614721 is a deficient number, since it is larger than the sum of its proper divisors (9270200266239).

20369451614721 is a wasteful number, since it uses less digits than its factorization.

20369451614721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27877.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 20369451614721 in words is "twenty trillion, three hundred sixty-nine billion, four hundred fifty-one million, six hundred fourteen thousand, seven hundred twenty-one".