20213320231011 has 16 divisors (see below), whose sum is σ = 27912190491648. Its totient is φ = 13003074840000.

The previous prime is 20213320231009. The next prime is 20213320231043. The reversal of 20213320231011 is 11013202331202.

It is not a de Polignac number, because 20213320231011 - 2¹ = 20213320231009 is a prime.

It is a super-2 number, since 2×20213320231011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20213320231001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009545490 + ... + 1009565511.

It is an arithmetic number, because the mean of its divisors is an integer number (1744511905728).

Almost surely, 2^{20213320231011} is an apocalyptic number.

20213320231011 is a deficient number, since it is larger than the sum of its proper divisors (7698870260637).

20213320231011 is a wasteful number, since it uses less digits than its factorization.

20213320231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019111122.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20213320231011 its reverse (11013202331202), we get a palindrome (31226522562213).

The spelling of 20213320231011 in words is "twenty trillion, two hundred thirteen billion, three hundred twenty million, two hundred thirty-one thousand, eleven".