20344434110 has 256 divisors, whose sum is σ = 53038540800. Its totient is φ = 5407948800.

The previous prime is 20344434107. The next prime is 20344434113. The reversal of 20344434110 is 1143444302.

It is an interprime number because it is at equal distance from previous prime (20344434107) and next prime (20344434113).

It is a super-2 number, since 2×20344434110² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 20344434110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344434113) 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 127 ways as a sum of consecutive naturals, for example, 7796486 + ... + 7799094.

It is an arithmetic number, because the mean of its divisors is an integer number (207181800).

Almost surely, 2^20344434110 is an apocalyptic number.

20344434110 is an abundant number, since it is smaller than the sum of its proper divisors (32694106690).

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

20344434110 is a wasteful number, since it uses less digits than its factorization.

20344434110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20344434110 its reverse (1143444302), we get a palindrome (21487878412).

It can be divided in two parts, 20344 and 434110, that added together give a palindrome (454454).

The spelling of 20344434110 in words is "twenty billion, three hundred forty-four million, four hundred thirty-four thousand, one hundred ten".