20004140515 has 8 divisors (see below), whose sum is σ = 24005798640. Its totient is φ = 16002759072.

The previous prime is 20004140449. The next prime is 20004140531. The reversal of 20004140515 is 51504140002.

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

It is a cyclic number.

It is not a de Polignac number, because 20004140515 - 2⁹ = 20004140003 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157317 + ... + 254473.

It is an arithmetic number, because the mean of its divisors is an integer number (3000724830).

Almost surely, 2^20004140515 is an apocalyptic number.

20004140515 is a deficient number, since it is larger than the sum of its proper divisors (4001658125).

20004140515 is an equidigital number, since it uses as much as digits as its factorization.

20004140515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138341.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 20004140515 its reverse (51504140002), we get a palindrome (71508280517).

The spelling of 20004140515 in words is "twenty billion, four million, one hundred forty thousand, five hundred fifteen".