20348000747 has 2 divisors, whose sum is σ = 20348000748. Its totient is φ = 20348000746.

The previous prime is 20348000737. The next prime is 20348000749. The reversal of 20348000747 is 74700084302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20348000747 - 2¹⁰ = 20347999723 is a prime.

It is a super-2 number, since 2×20348000747² (a number of 21 digits) contains 22 as substring.

Together with 20348000749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20348000749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10174000373 + 10174000374.

It is an arithmetic number, because the mean of its divisors is an integer number (10174000374).

Almost surely, 2^20348000747 is an apocalyptic number.

20348000747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20348000747 is an equidigital number, since it uses as much as digits as its factorization.

20348000747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 20348000747 in words is "twenty billion, three hundred forty-eight million, seven hundred forty-seven", and thus it is an aban number.