200011101012020 has 48 divisors (see below), whose sum is σ = 444731866156368. Its totient is φ = 75298076682240.

The previous prime is 200011101012013. The next prime is 200011101012029. The reversal of 200011101012020 is 20210101110002.

It can be written as a sum of positive squares in 8 ways, for example, as 7654894495504 + 192356206516516 = 2766748^2 + 13869254^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200011101011992 and 200011101012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011101012029) 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, 159495374 + ... + 160744506.

It is an arithmetic number, because the mean of its divisors is an integer number (9265247211591).

Almost surely, 2^{200011101012020} is an apocalyptic number.

200011101012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011101012020 is an abundant number, since it is smaller than the sum of its proper divisors (244720765144348).

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

200011101012020 is a wasteful number, since it uses less digits than its factorization.

200011101012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720100 (or 1720098 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200011101012020 its reverse (20210101110002), we get a palindrome (220221202122022).

The spelling of 200011101012020 in words is "two hundred trillion, eleven billion, one hundred one million, twelve thousand, twenty".