20734237275 has 24 divisors (see below), whose sum is σ = 34285019904. Its totient is φ = 11056836000.

The previous prime is 20734237243. The next prime is 20734237313. The reversal of 20734237275 is 57273243702.

It is not a de Polignac number, because 20734237275 - 2⁵ = 20734237243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 846450 + ... + 870600.

It is an arithmetic number, because the mean of its divisors is an integer number (1428542496).

Almost surely, 2^20734237275 is an apocalyptic number.

20734237275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20734237275 is a deficient number, since it is larger than the sum of its proper divisors (13550782629).

20734237275 is a wasteful number, since it uses less digits than its factorization.

20734237275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35611 (or 35606 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 42.

The spelling of 20734237275 in words is "twenty billion, seven hundred thirty-four million, two hundred thirty-seven thousand, two hundred seventy-five".