20554272276 has 96 divisors (see below), whose sum is σ = 53904829440. Its totient is φ = 6064160256.

The previous prime is 20554272269. The next prime is 20554272293. The reversal of 20554272276 is 67227245502.

It is a super-3 number, since 3×20554272276³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179916 + ... + 271068.

It is an arithmetic number, because the mean of its divisors is an integer number (561508640).

Almost surely, 2^20554272276 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 20554272276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26952414720).

20554272276 is an abundant number, since it is smaller than the sum of its proper divisors (33350557164).

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

20554272276 is a wasteful number, since it uses less digits than its factorization.

20554272276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91245 (or 91243 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

The spelling of 20554272276 in words is "twenty billion, five hundred fifty-four million, two hundred seventy-two thousand, two hundred seventy-six".