200021412402240 has 448 divisors, whose sum is σ = 746296913214720. Its totient is φ = 44747854479360.

The previous prime is 200021412402181. The next prime is 200021412402269. The reversal of 200021412402240 is 42204214120002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 200021412402240.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 508975102 + ... + 509367938.

It is an arithmetic number, because the mean of its divisors is an integer number (1665841324140).

Almost surely, 2^{200021412402240} is an apocalyptic number.

200021412402240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200021412402240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373148456607360).

200021412402240 is an abundant number, since it is smaller than the sum of its proper divisors (546275500812480).

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

200021412402240 is a wasteful number, since it uses less digits than its factorization.

200021412402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396590 (or 396580 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 200021412402240 its reverse (42204214120002), we get a palindrome (242225626522242).

The spelling of 200021412402240 in words is "two hundred trillion, twenty-one billion, four hundred twelve million, four hundred two thousand, two hundred forty".