20703141747 has 24 divisors (see below), whose sum is σ = 30324665280. Its totient is φ = 13609244160.

The previous prime is 20703141743. The next prime is 20703141793. The reversal of 20703141747 is 74714130702.

20703141747 is a `hidden beast` number, since 207 + 0 + 31 + 417 + 4 + 7 = 666.

It is not a de Polignac number, because 20703141747 - 2² = 20703141743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20703141743) 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 23 ways as a sum of consecutive naturals, for example, 192829 + ... + 280337.

It is an arithmetic number, because the mean of its divisors is an integer number (1263527720).

Almost surely, 2^20703141747 is an apocalyptic number.

20703141747 is a deficient number, since it is larger than the sum of its proper divisors (9621523533).

20703141747 is a wasteful number, since it uses less digits than its factorization.

20703141747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87883 (or 87880 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 20703141747 in words is "twenty billion, seven hundred three million, one hundred forty-one thousand, seven hundred forty-seven".