20202011221002 has 16 divisors (see below), whose sum is σ = 43512024168480. Its totient is φ = 6216003452592.

The previous prime is 20202011221001. The next prime is 20202011221033. The reversal of 20202011221002 is 20012211020202.

It is not an unprimeable number, because it can be changed into a prime (20202011221001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129500071852 + ... + 129500072007.

It is an arithmetic number, because the mean of its divisors is an integer number (2719501510530).

Almost surely, 2^{20202011221002} is an apocalyptic number.

20202011221002 is an abundant number, since it is smaller than the sum of its proper divisors (23310012947478).

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

20202011221002 is a wasteful number, since it uses less digits than its factorization.

20202011221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259000143877.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20202011221002 its reverse (20012211020202), we get a palindrome (40214222241204).

The spelling of 20202011221002 in words is "twenty trillion, two hundred two billion, eleven million, two hundred twenty-one thousand, two".