20002221210202 has 32 divisors (see below), whose sum is σ = 38040764106240. Its totient is φ = 7660987208880.

The previous prime is 20002221210199. The next prime is 20002221210211. The reversal of 20002221210202 is 20201212220002.

It is a super-2 number, since 2×20002221210202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100707468 + ... + 1100725639.

It is an arithmetic number, because the mean of its divisors is an integer number (1188773878320).

Almost surely, 2^{20002221210202} is an apocalyptic number.

20002221210202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002221210202 is a deficient number, since it is larger than the sum of its proper divisors (18038542896038).

20002221210202 is a wasteful number, since it uses less digits than its factorization.

20002221210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201433186.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20002221210202 its reverse (20201212220002), we get a palindrome (40203433430204).

The spelling of 20002221210202 in words is "twenty trillion, two billion, two hundred twenty-one million, two hundred ten thousand, two hundred two".