2212910020 has 12 divisors (see below), whose sum is σ = 4647111084. Its totient is φ = 885164000.

The previous prime is 2212910003. The next prime is 2212910027. The reversal of 2212910020 is 200192122.

It can be written as a sum of positive squares in 2 ways, for example, as 966961216 + 1245948804 = 31096^2 + 35298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2212910020.

It is not an unprimeable number, because it can be changed into a prime (2212910027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55322731 + ... + 55322770.

It is an arithmetic number, because the mean of its divisors is an integer number (387259257).

Almost surely, 2^2212910020 is an apocalyptic number.

2212910020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212910020 is an abundant number, since it is smaller than the sum of its proper divisors (2434201064).

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

2212910020 is a wasteful number, since it uses less digits than its factorization.

2212910020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110645510 (or 110645508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2212910020 is about 47041.5775670842. The cubic root of 2212910020 is about 1303.1305263430.

The spelling of 2212910020 in words is "two billion, two hundred twelve million, nine hundred ten thousand, twenty".