20120044112120 has 64 divisors (see below), whose sum is σ = 45521156368800. Its totient is φ = 8003465789440.

The previous prime is 20120044112087. The next prime is 20120044112131. The reversal of 20120044112120 is 2121144002102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20120044112092 and 20120044112101.

It is a congruent number.

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, 6741896 + ... + 9257064.

Almost surely, 2^{20120044112120} is an apocalyptic number.

20120044112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120044112120 is an abundant number, since it is smaller than the sum of its proper divisors (25401112256680).

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

20120044112120 is a wasteful number, since it uses less digits than its factorization.

20120044112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516288 (or 2516284 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20120044112120 its reverse (2121144002102), we get a palindrome (22241188114222).

The spelling of 20120044112120 in words is "twenty trillion, one hundred twenty billion, forty-four million, one hundred twelve thousand, one hundred twenty".