20147935103 has 16 divisors (see below), whose sum is σ = 21579199200. Its totient is φ = 18755712000.

The previous prime is 20147935099. The next prime is 20147935123. The reversal of 20147935103 is 30153974102.

It is a cyclic number.

It is not a de Polignac number, because 20147935103 - 2² = 20147935099 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 (20147935123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346103 + ... + 400103.

It is an arithmetic number, because the mean of its divisors is an integer number (1348699950).

Almost surely, 2^20147935103 is an apocalyptic number.

20147935103 is a deficient number, since it is larger than the sum of its proper divisors (1431264097).

20147935103 is a wasteful number, since it uses less digits than its factorization.

20147935103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54362.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 20147935103 in words is "twenty billion, one hundred forty-seven million, nine hundred thirty-five thousand, one hundred three".