20554108472 has 32 divisors (see below), whose sum is σ = 38774181600. Its totient is φ = 10214434944.

The previous prime is 20554108459. The next prime is 20554108507. The reversal of 20554108472 is 27480145502.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1669154 + ... + 1681422.

It is an arithmetic number, because the mean of its divisors is an integer number (1211693175).

Almost surely, 2^20554108472 is an apocalyptic number.

It is an amenable number.

20554108472 is a deficient number, since it is larger than the sum of its proper divisors (18220073128).

20554108472 is a wasteful number, since it uses less digits than its factorization.

20554108472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 20554108472 in words is "twenty billion, five hundred fifty-four million, one hundred eight thousand, four hundred seventy-two".