20523034044 has 192 divisors, whose sum is σ = 56445312000. Its totient is φ = 6435728640.

The previous prime is 20523034027. The next prime is 20523034079. The reversal of 20523034044 is 44043032502.

20523034044 is a `hidden beast` number, since 20 + 5 + 230 + 3 + 404 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20523033999 and 20523034017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62002959 + ... + 62003289.

It is an arithmetic number, because the mean of its divisors is an integer number (293986000).

Almost surely, 2^20523034044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20523034044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28222656000).

20523034044 is an abundant number, since it is smaller than the sum of its proper divisors (35922277956).

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

20523034044 is a wasteful number, since it uses less digits than its factorization.

20523034044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 20523034044 its reverse (44043032502), we get a palindrome (64566066546).

The spelling of 20523034044 in words is "twenty billion, five hundred twenty-three million, thirty-four thousand, forty-four".