620042180 has 24 divisors (see below), whose sum is σ = 1333848600. Its totient is φ = 241967360.

The previous prime is 620042167. The next prime is 620042201. The reversal of 620042180 is 81240026.

620042180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 615436864 = 2146^2 + 24808^2 .

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, 377255 + ... + 378894.

It is an arithmetic number, because the mean of its divisors is an integer number (55577025).

Almost surely, 2^620042180 is an apocalyptic number.

It is an amenable number.

620042180 is an abundant number, since it is smaller than the sum of its proper divisors (713806420).

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

620042180 is a wasteful number, since it uses less digits than its factorization.

620042180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756199 (or 756197 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 620042180 is about 24900.6461763545. The cubic root of 620042180 is about 852.7212349682.

The spelling of 620042180 in words is "six hundred twenty million, forty-two thousand, one hundred eighty".