20001002120110 has 32 divisors (see below), whose sum is σ = 39358795162752. Its totient is φ = 7257517589280.

The previous prime is 20001002120081. The next prime is 20001002120111. The reversal of 20001002120110 is 1102120010002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001002120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194624532 + ... + 194727271.

It is an arithmetic number, because the mean of its divisors is an integer number (1229962348836).

Almost surely, 2^{20001002120110} is an apocalyptic number.

20001002120110 is a deficient number, since it is larger than the sum of its proper divisors (19357793042642).

20001002120110 is a wasteful number, since it uses less digits than its factorization.

20001002120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389352288.

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

Adding to 20001002120110 its reverse (1102120010002), we get a palindrome (21103122130112).

The spelling of 20001002120110 in words is "twenty trillion, one billion, two million, one hundred twenty thousand, one hundred ten".