20200111211120 has 20 divisors (see below), whose sum is σ = 46965258566040. Its totient is φ = 8080044484416.

The previous prime is 20200111211117. The next prime is 20200111211149. The reversal of 20200111211120 is 2111211100202.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 20200111211095 and 20200111211104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126250694990 + ... + 126250695149.

It is an arithmetic number, because the mean of its divisors is an integer number (2348262928302).

Almost surely, 2^{20200111211120} is an apocalyptic number.

20200111211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200111211120 is an abundant number, since it is smaller than the sum of its proper divisors (26765147354920).

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

20200111211120 is a wasteful number, since it uses less digits than its factorization.

20200111211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252501390152 (or 252501390146 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20200111211120 its reverse (2111211100202), we get a palindrome (22311322311322).

The spelling of 20200111211120 in words is "twenty trillion, two hundred billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty".