20344404124 has 24 divisors (see below), whose sum is σ = 38843054208. Its totient is φ = 9246566640.

The previous prime is 20344404121. The next prime is 20344404181. The reversal of 20344404124 is 42140444302.

It is a junction number, because it is equal to n+sod(n) for n = 20344404092 and 20344404101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344404121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714097 + ... + 742039.

It is an arithmetic number, because the mean of its divisors is an integer number (1618460592).

Almost surely, 2^20344404124 is an apocalyptic number.

It is an amenable number.

20344404124 is a deficient number, since it is larger than the sum of its proper divisors (18498650084).

20344404124 is a wasteful number, since it uses less digits than its factorization.

20344404124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505 (or 44503 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20344404124 its reverse (42140444302), we get a palindrome (62484848426).

The spelling of 20344404124 in words is "twenty billion, three hundred forty-four million, four hundred four thousand, one hundred twenty-four".