620862242 has 64 divisors (see below), whose sum is σ = 1276128000. Its totient is φ = 223251840.

The previous prime is 620862239. The next prime is 620862271. The reversal of 620862242 is 242268026.

It is a junction number, because it is equal to n+sod(n) for n = 620862199 and 620862208.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 94934 + ... + 101262.

It is an arithmetic number, because the mean of its divisors is an integer number (19939500).

Almost surely, 2^620862242 is an apocalyptic number.

620862242 is an abundant number, since it is smaller than the sum of its proper divisors (655265758).

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

620862242 is a wasteful number, since it uses less digits than its factorization.

620862242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376 (or 6362 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 620862242 is about 24917.1074163917. The cubic root of 620862242 is about 853.0970030698.

The spelling of 620862242 in words is "six hundred twenty million, eight hundred sixty-two thousand, two hundred forty-two".