20605368398162 has 16 divisors (see below), whose sum is σ = 31299700579200. Its totient is φ = 10172138262000.

The previous prime is 20605368398161. The next prime is 20605368398183. The reversal of 20605368398162 is 26189386350602.

It is not an unprimeable number, because it can be changed into a prime (20605368398161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11957537 + ... + 13571787.

It is an arithmetic number, because the mean of its divisors is an integer number (1956231286200).

Almost surely, 2^{20605368398162} is an apocalyptic number.

20605368398162 is a deficient number, since it is larger than the sum of its proper divisors (10694332181038).

20605368398162 is a wasteful number, since it uses less digits than its factorization.

20605368398162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695121.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 20605368398162 in words is "twenty trillion, six hundred five billion, three hundred sixty-eight million, three hundred ninety-eight thousand, one hundred sixty-two".