200000012020 has 12 divisors (see below), whose sum is σ = 420000025284. Its totient is φ = 80000004800.

The previous prime is 200000012011. The next prime is 200000012059. The reversal of 200000012020 is 20210000002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75095729296 + 124904282724 = 274036^2 + 353418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200000011994 and 200000012012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000000281 + ... + 5000000320.

It is an arithmetic number, because the mean of its divisors is an integer number (35000002107).

Almost surely, 2^200000012020 is an apocalyptic number.

200000012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200000012020 is an abundant number, since it is smaller than the sum of its proper divisors (220000013264).

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

200000012020 is a wasteful number, since it uses less digits than its factorization.

200000012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000000610 (or 10000000608 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 200000012020 its reverse (20210000002), we get a palindrome (220210012022).

The spelling of 200000012020 in words is "two hundred billion, twelve thousand, twenty".