20404325515006 has 8 divisors (see below), whose sum is σ = 30651697267560. Its totient is φ = 10187093092488.

The previous prime is 20404325514977. The next prime is 20404325515121. The reversal of 20404325515006 is 60051552340402.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7534830816 + ... + 7534833523.

It is an arithmetic number, because the mean of its divisors is an integer number (3831462158445).

Almost surely, 2^{20404325515006} is an apocalyptic number.

20404325515006 is a deficient number, since it is larger than the sum of its proper divisors (10247371752554).

20404325515006 is a wasteful number, since it uses less digits than its factorization.

20404325515006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15069665018.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 20404325515006 its reverse (60051552340402), we get a palindrome (80455877855408).

The spelling of 20404325515006 in words is "twenty trillion, four hundred four billion, three hundred twenty-five million, five hundred fifteen thousand, six".