63033020 has 24 divisors (see below), whose sum is σ = 132589968. Its totient is φ = 25171200.

The previous prime is 63033007. The next prime is 63033023. The reversal of 63033020 is 2033036.

It is a super-2 number, since 2×63033020² = 7946323220640800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63033020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63033023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11540 + ... + 16100.

It is an arithmetic number, because the mean of its divisors is an integer number (5524582).

Almost surely, 2^63033020 is an apocalyptic number.

It is an amenable number.

63033020 is an abundant number, since it is smaller than the sum of its proper divisors (69556948).

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

63033020 is a wasteful number, since it uses less digits than its factorization.

63033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261 (or 5259 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 63033020 is about 7939.3337251938. Note that the first 3 decimals coincide. The cubic root of 63033020 is about 397.9752263563.

Adding to 63033020 its reverse (2033036), we get a palindrome (65066056).

The spelling of 63033020 in words is "sixty-three million, thirty-three thousand, twenty".