200764420 has 72 divisors (see below), whose sum is σ = 443643480. Its totient is φ = 76285440.

The previous prime is 200764411. The next prime is 200764423. The reversal of 200764420 is 24467002.

It can be written as a sum of positive squares in 4 ways, for example, as 4260096 + 196504324 = 2064^2 + 14018^2 .

It is not an unprimeable number, because it can be changed into a prime (200764423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2255736 + ... + 2255824.

It is an arithmetic number, because the mean of its divisors is an integer number (6161715).

Almost surely, 2^200764420 is an apocalyptic number.

200764420 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 200764420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221821740).

200764420 is an abundant number, since it is smaller than the sum of its proper divisors (242879060).

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

200764420 is a wasteful number, since it uses less digits than its factorization.

200764420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 200764420 is about 14169.1361769164. The cubic root of 200764420 is about 585.5476596359.

The spelling of 200764420 in words is "two hundred million, seven hundred sixty-four thousand, four hundred twenty".