20148755743 has 2 divisors, whose sum is σ = 20148755744. Its totient is φ = 20148755742.

The previous prime is 20148755741. The next prime is 20148755761. The reversal of 20148755743 is 34755784102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20148755743 - 2¹ = 20148755741 is a prime.

Together with 20148755741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 20148755693 and 20148755702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20148755741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10074377871 + 10074377872.

It is an arithmetic number, because the mean of its divisors is an integer number (10074377872).

Almost surely, 2^20148755743 is an apocalyptic number.

20148755743 is a deficient number, since it is larger than the sum of its proper divisors (1).

20148755743 is an equidigital number, since it uses as much as digits as its factorization.

20148755743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 20148755743 in words is "twenty billion, one hundred forty-eight million, seven hundred fifty-five thousand, seven hundred forty-three".