200422460 has 96 divisors (see below), whose sum is σ = 509967360. Its totient is φ = 64677888.

The previous prime is 200422459. The next prime is 200422463. The reversal of 200422460 is 64224002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200422463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215276 + ... + 216204.

It is an arithmetic number, because the mean of its divisors is an integer number (5312160).

Almost surely, 2^200422460 is an apocalyptic number.

200422460 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 200422460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254983680).

200422460 is an abundant number, since it is smaller than the sum of its proper divisors (309544900).

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

200422460 is a wasteful number, since it uses less digits than its factorization.

200422460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 200422460 is about 14157.0639611467. The cubic root of 200422460 is about 585.2150182399.

Adding to 200422460 its reverse (64224002), we get a palindrome (264646462).

The spelling of 200422460 in words is "two hundred million, four hundred twenty-two thousand, four hundred sixty".