20002101022002 has 64 divisors (see below), whose sum is σ = 45540610642944. Its totient is φ = 5797426472640.

The previous prime is 20002101021997. The next prime is 20002101022009. The reversal of 20002101022002 is 20022010120002.

It is not an unprimeable number, because it can be changed into a prime (20002101022009) 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, 31728288 + ... + 32352564.

It is an arithmetic number, because the mean of its divisors is an integer number (711572041296).

Almost surely, 2^{20002101022002} is an apocalyptic number.

20002101022002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002101022002 is an abundant number, since it is smaller than the sum of its proper divisors (25538509620942).

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

20002101022002 is a wasteful number, since it uses less digits than its factorization.

20002101022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645423.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20002101022002 its reverse (20022010120002), we get a palindrome (40024111142004).

The spelling of 20002101022002 in words is "twenty trillion, two billion, one hundred one million, twenty-two thousand, two".