420525120 has 56 divisors (see below), whose sum is σ = 1335170304. Its totient is φ = 112139776.

The previous prime is 420525103. The next prime is 420525139. The reversal of 420525120 is 21525024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218064 + ... + 219983.

Almost surely, 2^420525120 is an apocalyptic number.

420525120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420525120 is an abundant number, since it is smaller than the sum of its proper divisors (914645184).

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

420525120 is a wasteful number, since it uses less digits than its factorization.

420525120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438067 (or 438057 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 420525120 is about 20506.7091460332. The cubic root of 420525120 is about 749.1992164096.

The spelling of 420525120 in words is "four hundred twenty million, five hundred twenty-five thousand, one hundred twenty".