200211100020 has 72 divisors (see below), whose sum is σ = 607360257504. Its totient is φ = 53384945088.

The previous prime is 200211100013. The next prime is 200211100021. The reversal of 200211100020 is 20001112002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200211099975 and 200211100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211100021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2331487 + ... + 2415833.

It is an arithmetic number, because the mean of its divisors is an integer number (8435559132).

Almost surely, 2^200211100020 is an apocalyptic number.

200211100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200211100020 is an abundant number, since it is smaller than the sum of its proper divisors (407149157484).

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

200211100020 is a wasteful number, since it uses less digits than its factorization.

200211100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97549 (or 97544 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200211100020 its reverse (20001112002), we get a palindrome (220212212022).

The spelling of 200211100020 in words is "two hundred billion, two hundred eleven million, one hundred thousand, twenty".