20107056703 has 4 divisors (see below), whose sum is σ = 20107670968. Its totient is φ = 20106442440.

The previous prime is 20107056659. The next prime is 20107056721. The reversal of 20107056703 is 30765070102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20107056703 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 (20107056733) 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, 255093 + ... + 324478.

It is an arithmetic number, because the mean of its divisors is an integer number (5026917742).

Almost surely, 2^20107056703 is an apocalyptic number.

20107056703 is a deficient number, since it is larger than the sum of its proper divisors (614265).

20107056703 is an equidigital number, since it uses as much as digits as its factorization.

20107056703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614264.

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 20107056703 in words is "twenty billion, one hundred seven million, fifty-six thousand, seven hundred three".