200020111200020 has 96 divisors (see below), whose sum is σ = 422819614103040. Its totient is φ = 79481086133760.

The previous prime is 200020111200011. The next prime is 200020111200031. The reversal of 200020111200020 is 20002111020002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 200020111199974 and 200020111200010.

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, 2658425561 + ... + 2658500799.

It is an arithmetic number, because the mean of its divisors is an integer number (4404370980240).

Almost surely, 2^{200020111200020} is an apocalyptic number.

200020111200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200020111200020 is an abundant number, since it is smaller than the sum of its proper divisors (222799502903020).

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

200020111200020 is a wasteful number, since it uses less digits than its factorization.

200020111200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76953 (or 76951 counting only the distinct ones).

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

Adding to 200020111200020 its reverse (20002111020002), we get a palindrome (220022222220022).

The spelling of 200020111200020 in words is "two hundred trillion, twenty billion, one hundred eleven million, two hundred thousand, twenty".