20201000211120 has 80 divisors (see below), whose sum is σ = 62660758597632. Its totient is φ = 5383693996800.

The previous prime is 20201000211047. The next prime is 20201000211121. The reversal of 20201000211120 is 2111200010202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20201000211096 and 20201000211105.

It is not an unprimeable number, because it can be changed into a prime (20201000211121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24907806 + ... + 25706045.

Almost surely, 2^{20201000211120} is an apocalyptic number.

20201000211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201000211120 is an abundant number, since it is smaller than the sum of its proper divisors (42459758386512).

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

20201000211120 is a wasteful number, since it uses less digits than its factorization.

20201000211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50615530 (or 50615524 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20201000211120 its reverse (2111200010202), we get a palindrome (22312200221322).

The spelling of 20201000211120 in words is "twenty trillion, two hundred one billion, two hundred eleven thousand, one hundred twenty".