20310454512160 has 48 divisors (see below), whose sum is σ = 48001785062616. Its totient is φ = 8121077250048.

The previous prime is 20310454512149. The next prime is 20310454512167. The reversal of 20310454512160 is 6121545401302.

It can be written as a sum of positive squares in 4 ways, for example, as 18475589208976 + 1834865303184 = 4298324^2 + 1354572^2 .

It is not an unprimeable number, because it can be changed into a prime (20310454512167) 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, 23834307 + ... + 24671746.

Almost surely, 2^{20310454512160} is an apocalyptic number.

20310454512160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310454512160 is an abundant number, since it is smaller than the sum of its proper divisors (27691330550456).

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

20310454512160 is a wasteful number, since it uses less digits than its factorization.

20310454512160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48508685 (or 48508677 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 20310454512160 its reverse (6121545401302), we get a palindrome (26431999913462).

The spelling of 20310454512160 in words is "twenty trillion, three hundred ten billion, four hundred fifty-four million, five hundred twelve thousand, one hundred sixty".