201002222020002 has 128 divisors (see below), whose sum is σ = 449465935564800. Its totient is φ = 59499715435776.

The previous prime is 201002222019887. The next prime is 201002222020021. The reversal of 201002222020002 is 200020222200102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2138115283 + ... + 2138209289.

It is an arithmetic number, because the mean of its divisors is an integer number (3511452621600).

Almost surely, 2^{201002222020002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201002222020002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224732967782400).

201002222020002 is an abundant number, since it is smaller than the sum of its proper divisors (248463713544798).

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

201002222020002 is a wasteful number, since it uses less digits than its factorization.

201002222020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97440.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 201002222020002 its reverse (200020222200102), we get a palindrome (401022444220104).

The spelling of 201002222020002 in words is "two hundred one trillion, two billion, two hundred twenty-two million, twenty thousand, two".