20010120211003 has 16 divisors (see below), whose sum is σ = 22296012742080. Its totient is φ = 17831096390016.

The previous prime is 20010120210967. The next prime is 20010120211007. The reversal of 20010120211003 is 30011202101002.

It is a de Polignac number, because none of the positive numbers 2^k-20010120211003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010120211007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893100 + ... + 6603337.

It is an arithmetic number, because the mean of its divisors is an integer number (1393500796380).

Almost surely, 2^{20010120211003} is an apocalyptic number.

20010120211003 is a deficient number, since it is larger than the sum of its proper divisors (2285892531077).

20010120211003 is a wasteful number, since it uses less digits than its factorization.

20010120211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502726.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20010120211003 its reverse (30011202101002), we get a palindrome (50021322312005).

The spelling of 20010120211003 in words is "twenty trillion, ten billion, one hundred twenty million, two hundred eleven thousand, three".