620224426646 has 8 divisors (see below), whose sum is σ = 1014912698184. Its totient is φ = 281920193920.

The previous prime is 620224426631. The next prime is 620224426807. The reversal of 620224426646 is 646624422026.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 620224426597 and 620224426606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14096009675 + ... + 14096009718.

It is an arithmetic number, because the mean of its divisors is an integer number (126864087273).

Almost surely, 2^620224426646 is an apocalyptic number.

620224426646 is a deficient number, since it is larger than the sum of its proper divisors (394688271538).

620224426646 is a wasteful number, since it uses less digits than its factorization.

620224426646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28192019406.

The product of its (nonzero) digits is 1327104, while the sum is 44.

The spelling of 620224426646 in words is "six hundred twenty billion, two hundred twenty-four million, four hundred twenty-six thousand, six hundred forty-six".