20734237270743 has 16 divisors (see below), whose sum is σ = 27659102079840. Its totient is φ = 13816099304064.

The previous prime is 20734237270729. The next prime is 20734237270753. The reversal of 20734237270743 is 34707273243702.

It is not a de Polignac number, because 20734237270743 - 2⁴ = 20734237270727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734237270753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149644005 + ... + 149782497.

It is an arithmetic number, because the mean of its divisors is an integer number (1728693879990).

Almost surely, 2^{20734237270743} is an apocalyptic number.

20734237270743 is a deficient number, since it is larger than the sum of its proper divisors (6924864809097).

20734237270743 is a wasteful number, since it uses less digits than its factorization.

20734237270743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162418.

The product of its (nonzero) digits is 8297856, while the sum is 51.

The spelling of 20734237270743 in words is "twenty trillion, seven hundred thirty-four billion, two hundred thirty-seven million, two hundred seventy thousand, seven hundred forty-three".