20011202122002 has 64 divisors (see below), whose sum is σ = 51400010833920. Its totient is φ = 5048215343424.

The previous prime is 20011202121917. The next prime is 20011202122003. The reversal of 20011202122002 is 20022120211002.

It is not an unprimeable number, because it can be changed into a prime (20011202122003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796738602 + ... + 796763717.

It is an arithmetic number, because the mean of its divisors is an integer number (803125169280).

Almost surely, 2^{20011202122002} is an apocalyptic number.

20011202122002 is an abundant number, since it is smaller than the sum of its proper divisors (31388808711918).

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

20011202122002 is a wasteful number, since it uses less digits than its factorization.

20011202122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593502367.

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

Adding to 20011202122002 its reverse (20022120211002), we get a palindrome (40033322333004).

The spelling of 20011202122002 in words is "twenty trillion, eleven billion, two hundred two million, one hundred twenty-two thousand, two".