200012342020 has 24 divisors (see below), whose sum is σ = 420404707800. Its totient is φ = 79932786432.

The previous prime is 200012341993. The next prime is 200012342021. The reversal of 200012342020 is 20243210002.

It can be written as a sum of positive squares in 4 ways, for example, as 22393925316 + 177618416704 = 149646^2 + 421448^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200012341985 and 200012342003.

It is not an unprimeable number, because it can be changed into a prime (200012342021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4486665 + ... + 4531024.

It is an arithmetic number, because the mean of its divisors is an integer number (17516862825).

Almost surely, 2^200012342020 is an apocalyptic number.

200012342020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012342020 is an abundant number, since it is smaller than the sum of its proper divisors (220392365780).

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

200012342020 is a wasteful number, since it uses less digits than its factorization.

200012342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018807 (or 9018805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 200012342020 its reverse (20243210002), we get a palindrome (220255552022).

The spelling of 200012342020 in words is "two hundred billion, twelve million, three hundred forty-two thousand, twenty".