63820204 has 12 divisors (see below), whose sum is σ = 127640464. Its totient is φ = 27351504.

The previous prime is 63820201. The next prime is 63820223. The reversal of 63820204 is 40202836.

It is a happy number.

63820204 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (63820201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139619 + ... + 1139674.

Almost surely, 2^63820204 is an apocalyptic number.

It is an amenable number.

63820204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63820204 is a wasteful number, since it uses less digits than its factorization.

63820204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279304 (or 2279302 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 63820204 is about 7988.7548466579. The cubic root of 63820204 is about 399.6250736854.

The spelling of 63820204 in words is "sixty-three million, eight hundred twenty thousand, two hundred four".