620066446 has 4 divisors (see below), whose sum is σ = 930099672. Its totient is φ = 310033222.

The previous prime is 620066443. The next prime is 620066467. The reversal of 620066446 is 644660026.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620066443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155016610 + ... + 155016613.

It is an arithmetic number, because the mean of its divisors is an integer number (232524918).

Almost surely, 2^620066446 is an apocalyptic number.

620066446 is a deficient number, since it is larger than the sum of its proper divisors (310033226).

620066446 is a wasteful number, since it uses less digits than its factorization.

620066446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310033225.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 620066446 is about 24901.1334280189. The cubic root of 620066446 is about 852.7323588692.

The spelling of 620066446 in words is "six hundred twenty million, sixty-six thousand, four hundred forty-six".