20011230120132 has 48 divisors (see below), whose sum is σ = 54136661201280. Its totient is φ = 6380392211424.

The previous prime is 20011230120103. The next prime is 20011230120151. The reversal of 20011230120132 is 23102103211002.

20011230120132 is a `hidden beast` number, since 20 + 0 + 112 + 301 + 201 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 4028022903 + ... + 4028027870.

It is an arithmetic number, because the mean of its divisors is an integer number (1127847108360).

Almost surely, 2^{20011230120132} is an apocalyptic number.

It is an amenable number.

20011230120132 is an abundant number, since it is smaller than the sum of its proper divisors (34125431081148).

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

20011230120132 is a wasteful number, since it uses less digits than its factorization.

20011230120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056050809 (or 8056050801 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20011230120132 its reverse (23102103211002), we get a palindrome (43113333331134).

The spelling of 20011230120132 in words is "twenty trillion, eleven billion, two hundred thirty million, one hundred twenty thousand, one hundred thirty-two".