2202022020 has 96 divisors (see below), whose sum is σ = 6745245696. Its totient is φ = 532310400.

The previous prime is 2202022007. The next prime is 2202022079. The reversal of 2202022020 is 202202022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2202021987 and 2202022005.

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, 237675 + ... + 246765.

It is an arithmetic number, because the mean of its divisors is an integer number (70262976).

Almost surely, 2^2202022020 is an apocalyptic number.

2202022020 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 2202022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3372622848).

2202022020 is an abundant number, since it is smaller than the sum of its proper divisors (4543223676).

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

2202022020 is a wasteful number, since it uses less digits than its factorization.

2202022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9481 (or 9479 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2202022020 is about 46925.7074533778. The cubic root of 2202022020 is about 1300.9897827057.

Adding to 2202022020 its reverse (202202022), we get a palindrome (2404224042).

It can be divided in two parts, 220202 and 2020, that added together give a palindrome (222222).

The spelling of 2202022020 in words is "two billion, two hundred two million, twenty-two thousand, twenty".