2212200020 has 96 divisors (see below), whose sum is σ = 4989600000. Its totient is φ = 821449728.

The previous prime is 2212199999. The next prime is 2212200043. The reversal of 2212200020 is 200022122.

2212200020 = T₁₇₃ + T₁₇₄ + ... + T₂₃₆₇.

It is a junction number, because it is equal to n+sod(n) for n = 2212199974 and 2212200010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5038961 + ... + 5039399.

It is an arithmetic number, because the mean of its divisors is an integer number (51975000).

Almost surely, 2^2212200020 is an apocalyptic number.

2212200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2494800000).

2212200020 is an abundant number, since it is smaller than the sum of its proper divisors (2777399980).

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

2212200020 is a wasteful number, since it uses less digits than its factorization.

2212200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2212200020 is about 47034.0304460504. The cubic root of 2212200020 is about 1302.9911440163.

Adding to 2212200020 its reverse (200022122), we get a palindrome (2412222142).

The spelling of 2212200020 in words is "two billion, two hundred twelve million, two hundred thousand, twenty".