2222012020 has 12 divisors (see below), whose sum is σ = 4666225284. Its totient is φ = 888804800.

The previous prime is 2222011993. The next prime is 2222012029. The reversal of 2222012020 is 202102222.

It can be written as a sum of positive squares in 2 ways, for example, as 1372406116 + 849605904 = 37046^2 + 29148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222012029) 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, 55550281 + ... + 55550320.

It is an arithmetic number, because the mean of its divisors is an integer number (388852107).

Almost surely, 2^2222012020 is an apocalyptic number.

2222012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222012020 is an abundant number, since it is smaller than the sum of its proper divisors (2444213264).

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

2222012020 is a wasteful number, since it uses less digits than its factorization.

2222012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111100610 (or 111100608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2222012020 is about 47138.2224951260. Note that the first 3 decimals coincide. The cubic root of 2222012020 is about 1304.9147333983.

Adding to 2222012020 its reverse (202102222), we get a palindrome (2424114242).

The spelling of 2222012020 in words is "two billion, two hundred twenty-two million, twelve thousand, twenty".