20232120515112 has 256 divisors, whose sum is σ = 64430816947200. Its totient is φ = 5826516675840.

The previous prime is 20232120515083. The next prime is 20232120515171. The reversal of 20232120515112 is 21151502123202.

20232120515112 is a `hidden beast` number, since 2 + 0 + 2 + 32 + 1 + 2 + 0 + 515 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1104163 + ... + 6456269.

It is an arithmetic number, because the mean of its divisors is an integer number (251682878700).

Almost surely, 2^{20232120515112} is an apocalyptic number.

20232120515112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232120515112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32215408473600).

20232120515112 is an abundant number, since it is smaller than the sum of its proper divisors (44198696432088).

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

20232120515112 is a wasteful number, since it uses less digits than its factorization.

20232120515112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352213 (or 5352203 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 20232120515112 its reverse (21151502123202), we get a palindrome (41383622638314).

The spelling of 20232120515112 in words is "twenty trillion, two hundred thirty-two billion, one hundred twenty million, five hundred fifteen thousand, one hundred twelve".