20725266792 has 128 divisors (see below), whose sum is σ = 54134035200. Its totient is φ = 6606489600.

The previous prime is 20725266787. The next prime is 20725266803. The reversal of 20725266792 is 29766252702.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 29231334 + ... + 29232042.

It is an arithmetic number, because the mean of its divisors is an integer number (422922150).

Almost surely, 2^20725266792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20725266792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27067017600).

20725266792 is an abundant number, since it is smaller than the sum of its proper divisors (33408768408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20725266792 is a wasteful number, since it uses less digits than its factorization.

20725266792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 20725266792 in words is "twenty billion, seven hundred twenty-five million, two hundred sixty-six thousand, seven hundred ninety-two".