20310133213616 has 160 divisors (see below), whose sum is σ = 45292221112320. Its totient is φ = 8758936166400.

The previous prime is 20310133213613. The next prime is 20310133213681. The reversal of 20310133213616 is 61631233101302.

It is a super-2 number, since 2×20310133213616² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20310133213613) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 403859225 + ... + 403909511.

It is an arithmetic number, because the mean of its divisors is an integer number (283076381952).

Almost surely, 2^{20310133213616} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20310133213616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22646110556160).

20310133213616 is an abundant number, since it is smaller than the sum of its proper divisors (24982087898704).

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

20310133213616 is a wasteful number, since it uses less digits than its factorization.

20310133213616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52883 (or 52877 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

Adding to 20310133213616 its reverse (61631233101302), we get a palindrome (81941366314918).

The spelling of 20310133213616 in words is "twenty trillion, three hundred ten billion, one hundred thirty-three million, two hundred thirteen thousand, six hundred sixteen".