20523124344 has 16 divisors (see below), whose sum is σ = 51307810920. Its totient is φ = 6841041440.

The previous prime is 20523124337. The next prime is 20523124373. The reversal of 20523124344 is 44342132502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427565067 + ... + 427565114.

Almost surely, 2^20523124344 is an apocalyptic number.

20523124344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20523124344 is an abundant number, since it is smaller than the sum of its proper divisors (30784686576).

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

20523124344 is a wasteful number, since it uses less digits than its factorization.

20523124344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855130190 (or 855130186 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20523124344 its reverse (44342132502), we get a palindrome (64865256846).

The spelling of 20523124344 in words is "twenty billion, five hundred twenty-three million, one hundred twenty-four thousand, three hundred forty-four".