20754898827 has 32 divisors (see below), whose sum is σ = 30132648000. Its totient is φ = 12631252992.

The previous prime is 20754898793. The next prime is 20754898891. The reversal of 20754898827 is 72889845702.

It is not a de Polignac number, because 20754898827 - 2²⁰ = 20753850251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20754898897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1346299 + ... + 1361627.

It is an arithmetic number, because the mean of its divisors is an integer number (941645250).

Almost surely, 2^20754898827 is an apocalyptic number.

20754898827 is a deficient number, since it is larger than the sum of its proper divisors (9377749173).

20754898827 is a wasteful number, since it uses less digits than its factorization.

20754898827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727.

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 20754898827 in words is "twenty billion, seven hundred fifty-four million, eight hundred ninety-eight thousand, eight hundred twenty-seven".