20104510502 has 4 divisors (see below), whose sum is σ = 30156765756. Its totient is φ = 10052255250.

The previous prime is 20104510487. The next prime is 20104510523. The reversal of 20104510502 is 20501540102.

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

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 as a sum of consecutive naturals, namely, 5026127624 + ... + 5026127627.

It is an arithmetic number, because the mean of its divisors is an integer number (7539191439).

Almost surely, 2^20104510502 is an apocalyptic number.

20104510502 is a deficient number, since it is larger than the sum of its proper divisors (10052255254).

20104510502 is a wasteful number, since it uses less digits than its factorization.

20104510502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052255253.

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 20104510502 in words is "twenty billion, one hundred four million, five hundred ten thousand, five hundred two".