18352020035 has 4 divisors (see below), whose sum is σ = 22022424048. Its totient is φ = 14681616024.

The previous prime is 18352020031. The next prime is 18352020061. The reversal of 18352020035 is 53002025381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53002025381 = 48647 ⋅1089523.

It is a cyclic number.

It is not a de Polignac number, because 18352020035 - 2² = 18352020031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18352020031) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1835201999 + ... + 1835202008.

It is an arithmetic number, because the mean of its divisors is an integer number (5505606012).

Almost surely, 2^18352020035 is an apocalyptic number.

18352020035 is a deficient number, since it is larger than the sum of its proper divisors (3670404013).

18352020035 is an equidigital number, since it uses as much as digits as its factorization.

18352020035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670404012.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 18352020035 in words is "eighteen billion, three hundred fifty-two million, twenty thousand, thirty-five".