20011600747 has 2 divisors, whose sum is σ = 20011600748. Its totient is φ = 20011600746.

The previous prime is 20011600723. The next prime is 20011600753. The reversal of 20011600747 is 74700611002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20011600747 - 2⁷ = 20011600619 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011600447) 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 as a sum of consecutive naturals, namely, 10005800373 + 10005800374.

It is an arithmetic number, because the mean of its divisors is an integer number (10005800374).

Almost surely, 2^20011600747 is an apocalyptic number.

20011600747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011600747 is an equidigital number, since it uses as much as digits as its factorization.

20011600747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 20011600747 in words is "twenty billion, eleven million, six hundred thousand, seven hundred forty-seven".