20618481014 has 8 divisors (see below), whose sum is σ = 31275224280. Its totient is φ = 10193406256.

The previous prime is 20618481001. The next prime is 20618481019. The reversal of 20618481014 is 41018481602.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20618481019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57916904 + ... + 57917259.

It is an arithmetic number, because the mean of its divisors is an integer number (3909403035).

Almost surely, 2^20618481014 is an apocalyptic number.

20618481014 is a deficient number, since it is larger than the sum of its proper divisors (10656743266).

20618481014 is a wasteful number, since it uses less digits than its factorization.

20618481014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115834254.

The product of its (nonzero) digits is 12288, while the sum is 35.

The spelling of 20618481014 in words is "twenty billion, six hundred eighteen million, four hundred eighty-one thousand, fourteen".