63952020 has 72 divisors (see below), whose sum is σ = 211629600. Its totient is φ = 15503040.

The previous prime is 63952019. The next prime is 63952027. The reversal of 63952020 is 2025936.

63952020 is a `hidden beast` number, since 639 + 5 + 2 + 0 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63952027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14170 + ... + 18129.

It is an arithmetic number, because the mean of its divisors is an integer number (2939300).

Almost surely, 2^63952020 is an apocalyptic number.

63952020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63952020 is an abundant number, since it is smaller than the sum of its proper divisors (147677580).

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

63952020 is a wasteful number, since it uses less digits than its factorization.

63952020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32325 (or 32320 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 63952020 is about 7997.0006877579. Note that the first 3 decimals coincide. The cubic root of 63952020 is about 399.9000166771.

Adding to 63952020 its reverse (2025936), we get a palindrome (65977956).

The spelling of 63952020 in words is "sixty-three million, nine hundred fifty-two thousand, twenty".