20030525005 has 4 divisors (see below), whose sum is σ = 24036630012. Its totient is φ = 16024420000.

The previous prime is 20030524991. The next prime is 20030525033. The reversal of 20030525005 is 50052503002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8122695876 + 11907829129 = 90126^2 + 109123^2 .

It is not a de Polignac number, because 20030525005 - 2⁵ = 20030524973 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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, 2003052496 + ... + 2003052505.

It is an arithmetic number, because the mean of its divisors is an integer number (6009157503).

Almost surely, 2^20030525005 is an apocalyptic number.

It is an amenable number.

20030525005 is a deficient number, since it is larger than the sum of its proper divisors (4006105007).

20030525005 is an equidigital number, since it uses as much as digits as its factorization.

20030525005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006105006.

The product of its (nonzero) digits is 1500, while the sum is 22.

The spelling of 20030525005 in words is "twenty billion, thirty million, five hundred twenty-five thousand, five".