20200111000120 has 16 divisors (see below), whose sum is σ = 45450249750360. Its totient is φ = 8080044400032.

The previous prime is 20200111000081. The next prime is 20200111000123. The reversal of 20200111000120 is 2100011100202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 20200111000097 and 20200111000106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200111000123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252501387462 + ... + 252501387541.

Almost surely, 2^{20200111000120} is an apocalyptic number.

20200111000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200111000120 is an abundant number, since it is smaller than the sum of its proper divisors (25250138750240).

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

20200111000120 is a wasteful number, since it uses less digits than its factorization.

20200111000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505002775014 (or 505002775010 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20200111000120 its reverse (2100011100202), we get a palindrome (22300122100322).

The spelling of 20200111000120 in words is "twenty trillion, two hundred billion, one hundred eleven million, one hundred twenty", and thus it is an aban number.