20301102517164 has 72 divisors (see below), whose sum is σ = 55145154536640. Its totient is φ = 5795876901024.

The previous prime is 20301102517159. The next prime is 20301102517193. The reversal of 20301102517164 is 46171520110302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12439474 + ... + 13976505.

It is an arithmetic number, because the mean of its divisors is an integer number (765904924120).

Almost surely, 2^{20301102517164} is an apocalyptic number.

It is an amenable number.

20301102517164 is an abundant number, since it is smaller than the sum of its proper divisors (34844052019476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20301102517164 is a wasteful number, since it uses less digits than its factorization.

20301102517164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26417307 (or 26417298 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 20301102517164 its reverse (46171520110302), we get a palindrome (66472622627466).

The spelling of 20301102517164 in words is "twenty trillion, three hundred one billion, one hundred two million, five hundred seventeen thousand, one hundred sixty-four".