200421422010 has 128 divisors (see below), whose sum is σ = 563962176000. Its totient is φ = 50547442176.

The previous prime is 200421422009. The next prime is 200421422011. The reversal of 200421422010 is 10224124002.

200421422010 is a `hidden beast` number, since 2 + 0 + 0 + 421 + 42 + 201 + 0 = 666.

200421422010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200421422009) and next prime (200421422011).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200421422011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 371376 + ... + 734004.

It is an arithmetic number, because the mean of its divisors is an integer number (4405954500).

Almost surely, 2^200421422010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200421422010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281981088000).

200421422010 is an abundant number, since it is smaller than the sum of its proper divisors (363540753990).

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

200421422010 is a wasteful number, since it uses less digits than its factorization.

200421422010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362757 (or 362751 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200421422010 its reverse (10224124002), we get a palindrome (210645546012).

The spelling of 200421422010 in words is "two hundred billion, four hundred twenty-one million, four hundred twenty-two thousand, ten".