620466242 has 16 divisors (see below), whose sum is σ = 1068746400. Its totient is φ = 267186240.

The previous prime is 620466241. The next prime is 620466311. The reversal of 620466242 is 242664026.

It is a junction number, because it is equal to n+sod(n) for n = 620466199 and 620466208.

It is not an unprimeable number, because it can be changed into a prime (620466241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741767 + ... + 742602.

It is an arithmetic number, because the mean of its divisors is an integer number (66796650).

Almost surely, 2^620466242 is an apocalyptic number.

620466242 is a deficient number, since it is larger than the sum of its proper divisors (448280158).

620466242 is a wasteful number, since it uses less digits than its factorization.

620466242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484401.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 620466242 is about 24909.1598011655. The cubic root of 620466242 is about 852.9155896310.

The spelling of 620466242 in words is "six hundred twenty million, four hundred sixty-six thousand, two hundred forty-two".