2020918212 has 18 divisors (see below), whose sum is σ = 5108432238. Its totient is φ = 673639392.

The previous prime is 2020918199. The next prime is 2020918243. The reversal of 2020918212 is 2128190202.

It can be written as a sum of positive squares in only one way, i.e., 1814248836 + 206669376 = 42594^2 + 14376^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2020918212² = 8168220839186553888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28068273 + ... + 28068344.

It is an arithmetic number, because the mean of its divisors is an integer number (283801791).

Almost surely, 2^2020918212 is an apocalyptic number.

It is an amenable number.

2020918212 is an abundant number, since it is smaller than the sum of its proper divisors (3087514026).

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

2020918212 is a wasteful number, since it uses less digits than its factorization.

2020918212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56136627 (or 56136622 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 2020918212 is about 44954.6239223509. The cubic root of 2020918212 is about 1264.2983734878.

The spelling of 2020918212 in words is "two billion, twenty million, nine hundred eighteen thousand, two hundred twelve".