424181220 has 24 divisors (see below), whose sum is σ = 1187707584. Its totient is φ = 113114976.

The previous prime is 424181183. The next prime is 424181269. The reversal of 424181220 is 22181424.

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, 3534784 + ... + 3534903.

It is an arithmetic number, because the mean of its divisors is an integer number (49487816).

Almost surely, 2^424181220 is an apocalyptic number.

It is an amenable number.

424181220 is an abundant number, since it is smaller than the sum of its proper divisors (763526364).

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

424181220 is a wasteful number, since it uses less digits than its factorization.

424181220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7069699 (or 7069697 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 424181220 is about 20595.6602224838. The cubic root of 424181220 is about 751.3641661189.

The spelling of 424181220 in words is "four hundred twenty-four million, one hundred eighty-one thousand, two hundred twenty".