63958020 has 96 divisors (see below), whose sum is σ = 205970688. Its totient is φ = 14525952.

The previous prime is 63958019. The next prime is 63958031. The reversal of 63958020 is 2085936.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82354 + ... + 83126.

It is an arithmetic number, because the mean of its divisors is an integer number (2145528).

Almost surely, 2^63958020 is an apocalyptic number.

63958020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63958020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102985344).

63958020 is an abundant number, since it is smaller than the sum of its proper divisors (142012668).

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

63958020 is a wasteful number, since it uses less digits than its factorization.

63958020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 63958020 is about 7997.3758196048. The cubic root of 63958020 is about 399.9125225373.

The spelling of 63958020 in words is "sixty-three million, nine hundred fifty-eight thousand, twenty".