20002212202220 has 12 divisors (see below), whose sum is σ = 42004645624704. Its totient is φ = 8000884880880.

The previous prime is 20002212202207. The next prime is 20002212202289. The reversal of 20002212202220 is 2220221220002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500055305036 + ... + 500055305075.

It is an arithmetic number, because the mean of its divisors is an integer number (3500387135392).

Almost surely, 2^{20002212202220} is an apocalyptic number.

20002212202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002212202220 is an abundant number, since it is smaller than the sum of its proper divisors (22002433422484).

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

20002212202220 is a wasteful number, since it uses less digits than its factorization.

20002212202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000110610120 (or 1000110610118 counting only the distinct ones).

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

Adding to 20002212202220 its reverse (2220221220002), we get a palindrome (22222433422222).

The spelling of 20002212202220 in words is "twenty trillion, two billion, two hundred twelve million, two hundred two thousand, two hundred twenty".