200211001020020 has 96 divisors (see below), whose sum is σ = 463459202750880. Its totient is φ = 72310933094400.

The previous prime is 200211001020011. The next prime is 200211001020073. The reversal of 200211001020020 is 20020100112002.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 17030692834276 + 183180308185744 = 4126826^2 + 13534412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200211001019983 and 200211001020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63118781 + ... + 66214820.

It is an arithmetic number, because the mean of its divisors is an integer number (4827700028655).

Almost surely, 2^{200211001020020} is an apocalyptic number.

200211001020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200211001020020 is an abundant number, since it is smaller than the sum of its proper divisors (263248201730860).

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

200211001020020 is a wasteful number, since it uses less digits than its factorization.

200211001020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129333813 (or 129333811 counting only the distinct ones).

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

Adding to 200211001020020 its reverse (20020100112002), we get a palindrome (220231101132022).

The spelling of 200211001020020 in words is "two hundred trillion, two hundred eleven billion, one million, twenty thousand, twenty".