200220211220020 has 48 divisors (see below), whose sum is σ = 428403694234320. Its totient is φ = 78575521729536.

The previous prime is 200220211219921. The next prime is 200220211220131. The reversal of 200220211220020 is 20022112022002.

It can be written as a sum of positive squares in 8 ways, for example, as 52403149956004 + 147817061264016 = 7239002^2 + 12158004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200220211219976 and 200220211220003.

It is a congruent number.

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, 55937734 + ... + 59409346.

It is an arithmetic number, because the mean of its divisors is an integer number (8925076963215).

Almost surely, 2^{200220211220020} is an apocalyptic number.

200220211220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200220211220020 is an abundant number, since it is smaller than the sum of its proper divisors (228183483014300).

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

200220211220020 is a wasteful number, since it uses less digits than its factorization.

200220211220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526084 (or 3526082 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200220211220020 its reverse (20022112022002), we get a palindrome (220242323242022).

The spelling of 200220211220020 in words is "two hundred trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty thousand, twenty".