20633416245165 has 64 divisors (see below), whose sum is σ = 34012519833600. Its totient is φ = 10676848495104.

The previous prime is 20633416245161. The next prime is 20633416245179. The reversal of 20633416245165 is 56154261433602.

It is not a de Polignac number, because 20633416245165 - 2² = 20633416245161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633416245161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52553856 + ... + 52945014.

It is an arithmetic number, because the mean of its divisors is an integer number (531445622400).

Almost surely, 2^{20633416245165} is an apocalyptic number.

It is an amenable number.

20633416245165 is a deficient number, since it is larger than the sum of its proper divisors (13379103588435).

20633416245165 is a wasteful number, since it uses less digits than its factorization.

20633416245165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392026.

The product of its (nonzero) digits is 3110400, while the sum is 48.

Adding to 20633416245165 its reverse (56154261433602), we get a palindrome (76787677678767).

The spelling of 20633416245165 in words is "twenty trillion, six hundred thirty-three billion, four hundred sixteen million, two hundred forty-five thousand, one hundred sixty-five".