620224364209 has 8 divisors (see below), whose sum is σ = 627261576480. Its totient is φ = 613188672096.

The previous prime is 620224364167. The next prime is 620224364219. The reversal of 620224364209 is 902463422026.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620224364209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620224364219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450834 + ... + 1201540.

It is an arithmetic number, because the mean of its divisors is an integer number (78407697060).

Almost surely, 2^620224364209 is an apocalyptic number.

It is an amenable number.

620224364209 is a deficient number, since it is larger than the sum of its proper divisors (7037212271).

620224364209 is an equidigital number, since it uses as much as digits as its factorization.

620224364209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760079.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 620224364209 in words is "six hundred twenty billion, two hundred twenty-four million, three hundred sixty-four thousand, two hundred nine".