20070375613 has 4 divisors (see below), whose sum is σ = 20154352320. Its totient is φ = 19986398908.

The previous prime is 20070375599. The next prime is 20070375629. The reversal of 20070375613 is 31657307002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31657307002 = 2 ⋅15828653501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20070375613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20070375653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41987995 + ... + 41988472.

It is an arithmetic number, because the mean of its divisors is an integer number (5038588080).

Almost surely, 2^20070375613 is an apocalyptic number.

It is an amenable number.

20070375613 is a deficient number, since it is larger than the sum of its proper divisors (83976707).

20070375613 is an equidigital number, since it uses as much as digits as its factorization.

20070375613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83976706.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 20070375613 in words is "twenty billion, seventy million, three hundred seventy-five thousand, six hundred thirteen".