20001101220010 has 64 divisors (see below), whose sum is σ = 36300377111040. Its totient is φ = 7934417809920.

The previous prime is 20001101220007. The next prime is 20001101220013. The reversal of 20001101220010 is 1002210110002.

It is an interprime number because it is at equal distance from previous prime (20001101220007) and next prime (20001101220013).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20001101220013) 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, 2874130911 + ... + 2874137869.

It is an arithmetic number, because the mean of its divisors is an integer number (567193392360).

Almost surely, 2^{20001101220010} is an apocalyptic number.

20001101220010 is a deficient number, since it is larger than the sum of its proper divisors (16299275891030).

20001101220010 is a wasteful number, since it uses less digits than its factorization.

20001101220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11791.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001101220010 its reverse (1002210110002), we get a palindrome (21003311330012).

The spelling of 20001101220010 in words is "twenty trillion, one billion, one hundred one million, two hundred twenty thousand, ten".