447020120 has 16 divisors (see below), whose sum is σ = 1005795360. Its totient is φ = 178808032.

The previous prime is 447020113. The next prime is 447020141. The reversal of 447020120 is 21020744.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 447020092 and 447020101.

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, 5587712 + ... + 5587791.

It is an arithmetic number, because the mean of its divisors is an integer number (62862210).

Almost surely, 2^447020120 is an apocalyptic number.

447020120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447020120 is an abundant number, since it is smaller than the sum of its proper divisors (558775240).

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

447020120 is a wasteful number, since it uses less digits than its factorization.

447020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175514 (or 11175510 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 447020120 is about 21142.8503281842. The cubic root of 447020120 is about 764.6141959410.

Adding to 447020120 its reverse (21020744), we get a palindrome (468040864).

The spelling of 447020120 in words is "four hundred forty-seven million, twenty thousand, one hundred twenty".