420054220 has 12 divisors (see below), whose sum is σ = 882113904. Its totient is φ = 168021680.

The previous prime is 420054197. The next prime is 420054227. The reversal of 420054220 is 22450024.

It is not an unprimeable number, because it can be changed into a prime (420054227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10501336 + ... + 10501375.

It is an arithmetic number, because the mean of its divisors is an integer number (73509492).

Almost surely, 2^420054220 is an apocalyptic number.

It is an amenable number.

420054220 is an abundant number, since it is smaller than the sum of its proper divisors (462059684).

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

420054220 is a wasteful number, since it uses less digits than its factorization.

420054220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002720 (or 21002718 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 420054220 is about 20495.2243217780. The cubic root of 420054220 is about 748.9194632607.

It can be divided in two parts, 42005 and 4220, that added together give a square (46225 = 215²).

The spelling of 420054220 in words is "four hundred twenty million, fifty-four thousand, two hundred twenty".