200012020 has 48 divisors (see below), whose sum is σ = 453369168. Its totient is φ = 73681920.

The previous prime is 200012009. The next prime is 200012027. The reversal of 200012020 is 20210002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 75377124 + 124634896 = 8682^2 + 11164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200011994 and 200012012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212992 + ... + 213928.

It is an arithmetic number, because the mean of its divisors is an integer number (9445191).

Almost surely, 2^200012020 is an apocalyptic number.

200012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012020 is an abundant number, since it is smaller than the sum of its proper divisors (253357148).

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

200012020 is a wasteful number, since it uses less digits than its factorization.

200012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1778 counting only the distinct ones).

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

The square root of 200012020 is about 14142.5605885214. The cubic root of 200012020 is about 584.8152629723.

Adding to 200012020 its reverse (20210002), we get a palindrome (220222022).

The spelling of 200012020 in words is "two hundred million, twelve thousand, twenty".