200421412423020 has 72 divisors (see below), whose sum is σ = 607946187934176. Its totient is φ = 53445601239552.

The previous prime is 200421412423013. The next prime is 200421412423049. The reversal of 200421412423020 is 20324214124002.

It is a happy number.

200421412423020 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 214 + 1 + 2 + 423 + 0 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128992089 + ... + 130536591.

Almost surely, 2^{200421412423020} is an apocalyptic number.

200421412423020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200421412423020 is an abundant number, since it is smaller than the sum of its proper divisors (407524775511156).

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

200421412423020 is a wasteful number, since it uses less digits than its factorization.

200421412423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265431 (or 2265426 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 200421412423020 its reverse (20324214124002), we get a palindrome (220745626547022).

The spelling of 200421412423020 in words is "two hundred trillion, four hundred twenty-one billion, four hundred twelve million, four hundred twenty-three thousand, twenty".