63914220 has 72 divisors (see below), whose sum is σ = 205287264. Its totient is φ = 16040448.

The previous prime is 63914209. The next prime is 63914243. The reversal of 63914220 is 2241936.

63914220 is a `hidden beast` number, since 639 + 1 + 4 + 2 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7384 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (2851212).

Almost surely, 2^63914220 is an apocalyptic number.

63914220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63914220 is an abundant number, since it is smaller than the sum of its proper divisors (141373044).

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

63914220 is a wasteful number, since it uses less digits than its factorization.

63914220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20919 (or 20914 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 63914220 is about 7994.6369523575. The cubic root of 63914220 is about 399.8212117655.

The spelling of 63914220 in words is "sixty-three million, nine hundred fourteen thousand, two hundred twenty".