220222202120 has 16 divisors (see below), whose sum is σ = 495499954860. Its totient is φ = 88088880832.

The previous prime is 220222202003. The next prime is 220222202171. The reversal of 220222202120 is 21202222022.

It can be written as a sum of positive squares in 2 ways, for example, as 220127995684 + 94206436 = 469178^2 + 9706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2752777487 + ... + 2752777566.

Almost surely, 2^220222202120 is an apocalyptic number.

220222202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220222202120 is an abundant number, since it is smaller than the sum of its proper divisors (275277752740).

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

220222202120 is a wasteful number, since it uses less digits than its factorization.

220222202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505555064 (or 5505555060 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220222202120 its reverse (21202222022), we get a palindrome (241424424142).

The spelling of 220222202120 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty".