2020122216 has 72 divisors (see below), whose sum is σ = 6364426770. Its totient is φ = 577176768.

The previous prime is 2020122197. The next prime is 2020122227. The reversal of 2020122216 is 6122210202.

It can be written as a sum of positive squares in only one way, i.e., 1810162116 + 209960100 = 42546^2 + 14490^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 282771 + ... + 289826.

Almost surely, 2^2020122216 is an apocalyptic number.

It is an amenable number.

2020122216 is an abundant number, since it is smaller than the sum of its proper divisors (4344304554).

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

2020122216 is a wasteful number, since it uses less digits than its factorization.

2020122216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572623 (or 572609 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2020122216 is about 44945.7697230785. The cubic root of 2020122216 is about 1264.1323584225.

Adding to 2020122216 its reverse (6122210202), we get a palindrome (8142332418).

The spelling of 2020122216 in words is "two billion, twenty million, one hundred twenty-two thousand, two hundred sixteen".