20523000044 has 12 divisors (see below), whose sum is σ = 35959001568. Its totient is φ = 10248999600.

The previous prime is 20523000037. The next prime is 20523000059. The reversal of 20523000044 is 44000032502.

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, 3121412 + ... + 3127979.

It is an arithmetic number, because the mean of its divisors is an integer number (2996583464).

Almost surely, 2^20523000044 is an apocalyptic number.

It is an amenable number.

20523000044 is a deficient number, since it is larger than the sum of its proper divisors (15436001524).

20523000044 is a wasteful number, since it uses less digits than its factorization.

20523000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250216 (or 6250214 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 20523000044 its reverse (44000032502), we get a palindrome (64523032546).

The spelling of 20523000044 in words is "twenty billion, five hundred twenty-three million, forty-four", and thus it is an aban number.