63147020 has 24 divisors (see below), whose sum is σ = 132884304. Its totient is φ = 25206336.

The previous prime is 63146957. The next prime is 63147037. The reversal of 63147020 is 2074136.

It is a super-2 number, since 2×63147020² = 7975092269760800, which contains 22 as substring.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7442 + ... + 13478.

It is an arithmetic number, because the mean of its divisors is an integer number (5536846).

Almost surely, 2^63147020 is an apocalyptic number.

It is an amenable number.

63147020 is an abundant number, since it is smaller than the sum of its proper divisors (69737284).

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

63147020 is a wasteful number, since it uses less digits than its factorization.

63147020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 63147020 is about 7946.5099257473. The cubic root of 63147020 is about 398.2150046611.

The spelling of 63147020 in words is "sixty-three million, one hundred forty-seven thousand, twenty".