20201200110020 has 48 divisors (see below), whose sum is σ = 42473338225920. Its totient is φ = 8070801723264.

The previous prime is 20201200109971. The next prime is 20201200110041. The reversal of 20201200110020 is 2001100210202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20201200109983 and 20201200110010.

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, 327076982 + ... + 327138738.

It is an arithmetic number, because the mean of its divisors is an integer number (884861213040).

Almost surely, 2^{20201200110020} is an apocalyptic number.

20201200110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201200110020 is an abundant number, since it is smaller than the sum of its proper divisors (22272138115900).

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

20201200110020 is a wasteful number, since it uses less digits than its factorization.

20201200110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81092 (or 81090 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201200110020 its reverse (2001100210202), we get a palindrome (22202300320222).

The spelling of 20201200110020 in words is "twenty trillion, two hundred one billion, two hundred million, one hundred ten thousand, twenty".