20523124104 has 64 divisors (see below), whose sum is σ = 58740464640. Its totient is φ = 5853453120.

The previous prime is 20523124087. The next prime is 20523124109. The reversal of 20523124104 is 40142132502.

It is a super-3 number, since 3×20523124104³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20523124109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11044 + ... + 202899.

It is an arithmetic number, because the mean of its divisors is an integer number (917819760).

Almost surely, 2^20523124104 is an apocalyptic number.

20523124104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20523124104 is an abundant number, since it is smaller than the sum of its proper divisors (38217340536).

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

20523124104 is a wasteful number, since it uses less digits than its factorization.

20523124104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214530 (or 214526 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 20523124104 its reverse (40142132502), we get a palindrome (60665256606).

The spelling of 20523124104 in words is "twenty billion, five hundred twenty-three million, one hundred twenty-four thousand, one hundred four".