20424031103310 has 128 divisors (see below), whose sum is σ = 51986394722304. Its totient is φ = 5126295444480.

The previous prime is 20424031103249. The next prime is 20424031103363. The reversal of 20424031103310 is 1330113042402.

It is a happy number.

It is a super-2 number, since 2×20424031103310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 90488817 + ... + 90714243.

It is an arithmetic number, because the mean of its divisors is an integer number (406143708768).

Almost surely, 2^{20424031103310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20424031103310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25993197361152).

20424031103310 is an abundant number, since it is smaller than the sum of its proper divisors (31562363618994).

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

20424031103310 is a wasteful number, since it uses less digits than its factorization.

20424031103310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228138.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20424031103310 its reverse (1330113042402), we get a palindrome (21754144145712).

The spelling of 20424031103310 in words is "twenty trillion, four hundred twenty-four billion, thirty-one million, one hundred three thousand, three hundred ten".