20020021220222 has 16 divisors (see below), whose sum is σ = 31065658984800. Its totient is φ = 9664803976800.

The previous prime is 20020021220219. The next prime is 20020021220281. The reversal of 20020021220222 is 22202212002002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020021220222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26428847 + ... + 27175797.

It is an arithmetic number, because the mean of its divisors is an integer number (1941603686550).

Almost surely, 2^{20020021220222} is an apocalyptic number.

20020021220222 is a deficient number, since it is larger than the sum of its proper divisors (11045637764578).

20020021220222 is a wasteful number, since it uses less digits than its factorization.

20020021220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209091.

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

Adding to 20020021220222 its reverse (22202212002002), we get a palindrome (42222233222224).

The spelling of 20020021220222 in words is "twenty trillion, twenty billion, twenty-one million, two hundred twenty thousand, two hundred twenty-two".