63334820 has 12 divisors (see below), whose sum is σ = 133003164. Its totient is φ = 25333920.

The previous prime is 63334813. The next prime is 63334849. The reversal of 63334820 is 2843336.

63334820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28217344 + 35117476 = 5312^2 + 5926^2 .

It is a super-2 number, since 2×63334820² = 8022598848864800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583351 + ... + 1583390.

It is an arithmetic number, because the mean of its divisors is an integer number (11083597).

Almost surely, 2^63334820 is an apocalyptic number.

It is an amenable number.

63334820 is an abundant number, since it is smaller than the sum of its proper divisors (69668344).

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

63334820 is a wasteful number, since it uses less digits than its factorization.

63334820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166750 (or 3166748 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 63334820 is about 7958.3176614156. The cubic root of 63334820 is about 398.6093793715.

It can be divided in two parts, 633 and 34820, that added together give a palindrome (35453).

The spelling of 63334820 in words is "sixty-three million, three hundred thirty-four thousand, eight hundred twenty".