20302112134024 has 64 divisors (see below), whose sum is σ = 44694663436800. Its totient is φ = 8463028656384.

The previous prime is 20302112133997. The next prime is 20302112134069. The reversal of 20302112134024 is 42043121120302.

It is a self number, because there is not a number n which added to its sum of digits gives 20302112134024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4891822 + ... + 8033314.

It is an arithmetic number, because the mean of its divisors is an integer number (698354116200).

Almost surely, 2^{20302112134024} 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 20302112134024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22347331718400).

20302112134024 is an abundant number, since it is smaller than the sum of its proper divisors (24392551302776).

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

20302112134024 is a wasteful number, since it uses less digits than its factorization.

20302112134024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144662 (or 3144658 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20302112134024 its reverse (42043121120302), we get a palindrome (62345233254326).

The spelling of 20302112134024 in words is "twenty trillion, three hundred two billion, one hundred twelve million, one hundred thirty-four thousand, twenty-four".