20001002201110 has 64 divisors (see below), whose sum is σ = 42014001744000. Its totient is φ = 6852685988736.

The previous prime is 20001002201083. The next prime is 20001002201123. The reversal of 20001002201110 is 1110220010002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2861164 + ... + 6941776.

It is an arithmetic number, because the mean of its divisors is an integer number (656468777250).

Almost surely, 2^{20001002201110} is an apocalyptic number.

20001002201110 is an abundant number, since it is smaller than the sum of its proper divisors (22012999542890).

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

20001002201110 is a wasteful number, since it uses less digits than its factorization.

20001002201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082070 (or 4082056 counting only the distinct ones).

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

Adding to 20001002201110 its reverse (1110220010002), we get a palindrome (21111222211112).

The spelling of 20001002201110 in words is "twenty trillion, one billion, two million, two hundred one thousand, one hundred ten".