20010112213 has 24 divisors (see below), whose sum is σ = 25081727328. Its totient is φ = 15823263456.

The previous prime is 20010112193. The next prime is 20010112229. The reversal of 20010112213 is 31221101002.

It is not a de Polignac number, because 20010112213 - 2¹⁷ = 20009981141 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 20010112193 and 20010112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010112273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1268070 + ... + 1283752.

It is an arithmetic number, because the mean of its divisors is an integer number (1045071972).

Almost surely, 2^20010112213 is an apocalyptic number.

It is an amenable number.

20010112213 is a deficient number, since it is larger than the sum of its proper divisors (5071615115).

20010112213 is a wasteful number, since it uses less digits than its factorization.

20010112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713 (or 17706 counting only the distinct ones).

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

Adding to 20010112213 its reverse (31221101002), we get a palindrome (51231213215).

The spelling of 20010112213 in words is "twenty billion, ten million, one hundred twelve thousand, two hundred thirteen".