200000000020 has 48 divisors (see below), whose sum is σ = 424293374736. Its totient is φ = 79182720000.

The previous prime is 199999999949. The next prime is 200000000041. The reversal of 200000000020 is 20000000002.

It can be written as a sum of positive squares in 8 ways, for example, as 330439684 + 199669560336 = 18178^2 + 446844^2 .

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 199999999928 and 200000000009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7138840 + ... + 7166800.

It is an arithmetic number, because the mean of its divisors is an integer number (8839445307).

Almost surely, 2^200000000020 is an apocalyptic number.

200000000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000000020 is an abundant number, since it is smaller than the sum of its proper divisors (224293374716).

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

200000000020 is a wasteful number, since it uses less digits than its factorization.

200000000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31612 (or 31610 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 4.

Adding to 200000000020 its reverse (20000000002), we get a palindrome (220000000022).

It can be divided in two parts, 2000000000 and 20, that multiplied together give a square (40000000000 = 200000²).

The spelling of 200000000020 in words is "two hundred billion, twenty", and thus it is an aban number.