20042101120 has 32 divisors (see below), whose sum is σ = 47913149520. Its totient is φ = 8016840192.

The previous prime is 20042101109. The next prime is 20042101129. The reversal of 20042101120 is 2110124002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 20042101120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15657252 + ... + 15658531.

Almost surely, 2^20042101120 is an apocalyptic number.

20042101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042101120 is an abundant number, since it is smaller than the sum of its proper divisors (27871048400).

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

20042101120 is an equidigital number, since it uses as much as digits as its factorization.

20042101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31315802 (or 31315790 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20042101120 its reverse (2110124002), we get a palindrome (22152225122).

The spelling of 20042101120 in words is "twenty billion, forty-two million, one hundred one thousand, one hundred twenty".