63045020 has 12 divisors (see below), whose sum is σ = 132394584. Its totient is φ = 25218000.

The previous prime is 63045013. The next prime is 63045113. The reversal of 63045020 is 2054036.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 3152251 = 63045020 / (6 + 3 + 0 + 4 + 5 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 63044983 and 63045001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576106 + ... + 1576145.

It is an arithmetic number, because the mean of its divisors is an integer number (11032882).

Almost surely, 2^63045020 is an apocalyptic number.

It is an amenable number.

63045020 is an abundant number, since it is smaller than the sum of its proper divisors (69349564).

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

63045020 is a wasteful number, since it uses less digits than its factorization.

63045020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152260 (or 3152258 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 63045020 is about 7940.0894201514. The cubic root of 63045020 is about 398.0004797853. Note that the first 3 decimals are identical.

Adding to 63045020 its reverse (2054036), we get a palindrome (65099056).

The spelling of 63045020 in words is "sixty-three million, forty-five thousand, twenty".