200012100200420 has 12 divisors (see below), whose sum is σ = 420025410420924. Its totient is φ = 80004840080160.

The previous prime is 200012100200377. The next prime is 200012100200431. The reversal of 200012100200420 is 24002001210002.

It can be written as a sum of positive squares in 2 ways, for example, as 45405953699236 + 154606146501184 = 6738394^2 + 12434072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200012100200395 and 200012100200404.

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, 5000302504991 + ... + 5000302505030.

It is an arithmetic number, because the mean of its divisors is an integer number (35002117535077).

Almost surely, 2^{200012100200420} is an apocalyptic number.

200012100200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012100200420 is an abundant number, since it is smaller than the sum of its proper divisors (220013310220504).

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

200012100200420 is a wasteful number, since it uses less digits than its factorization.

200012100200420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000605010030 (or 10000605010028 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 200012100200420 its reverse (24002001210002), we get a palindrome (224014101410422).

The spelling of 200012100200420 in words is "two hundred trillion, twelve billion, one hundred million, two hundred thousand, four hundred twenty".