2020644622 has 8 divisors (see below), whose sum is σ = 3162748176. Its totient is φ = 966395232.

The previous prime is 2020644559. The next prime is 2020644641. The reversal of 2020644622 is 2264460202.

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

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, 21963483 + ... + 21963574.

It is an arithmetic number, because the mean of its divisors is an integer number (395343522).

Almost surely, 2^2020644622 is an apocalyptic number.

2020644622 is a deficient number, since it is larger than the sum of its proper divisors (1142103554).

2020644622 is a wasteful number, since it uses less digits than its factorization.

2020644622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43927082.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 2020644622 is about 44951.5808620787. The cubic root of 2020644622 is about 1264.2413177396.

The spelling of 2020644622 in words is "two billion, twenty million, six hundred forty-four thousand, six hundred twenty-two".