20520002552113 has 8 divisors (see below), whose sum is σ = 20767608036000. Its totient is φ = 20272406033568.

The previous prime is 20520002552087. The next prime is 20520002552167. The reversal of 20520002552113 is 31125520002502.

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 20520002552113 - 2¹³ = 20520002543921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20520002558113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422098 + ... + 6848836.

It is an arithmetic number, because the mean of its divisors is an integer number (2595951004500).

Almost surely, 2^{20520002552113} is an apocalyptic number.

It is an amenable number.

20520002552113 is a deficient number, since it is larger than the sum of its proper divisors (247605483887).

20520002552113 is an equidigital number, since it uses as much as digits as its factorization.

20520002552113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482671.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 20520002552113 its reverse (31125520002502), we get a palindrome (51645522554615).

The spelling of 20520002552113 in words is "twenty trillion, five hundred twenty billion, two million, five hundred fifty-two thousand, one hundred thirteen".