20020221211002 has 32 divisors (see below), whose sum is σ = 40640308800000. Its totient is φ = 6573440359728.

The previous prime is 20020221210959. The next prime is 20020221211021. The reversal of 20020221211002 is 20011212202002.

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, 5947749 + ... + 8684247.

It is an arithmetic number, because the mean of its divisors is an integer number (1270009650000).

Almost surely, 2^{20020221211002} is an apocalyptic number.

20020221211002 is an abundant number, since it is smaller than the sum of its proper divisors (20620087588998).

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

20020221211002 is a wasteful number, since it uses less digits than its factorization.

20020221211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754770.

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

Adding to 20020221211002 its reverse (20011212202002), we get a palindrome (40031433413004).

The spelling of 20020221211002 in words is "twenty trillion, twenty billion, two hundred twenty-one million, two hundred eleven thousand, two".