20554061622 has 8 divisors (see below), whose sum is σ = 41108123256. Its totient is φ = 6851353872.

The previous prime is 20554061617. The next prime is 20554061669. The reversal of 20554061622 is 22616045502.

It is a sphenic number, since it is the product of 3 distinct primes.

20554061622 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 1712838463 + ... + 1712838474.

It is an arithmetic number, because the mean of its divisors is an integer number (5138515407).

Almost surely, 2^20554061622 is an apocalyptic number.

20554061622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20554061622 is a wasteful number, since it uses less digits than its factorization.

20554061622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425676942.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20554061622 in words is "twenty billion, five hundred fifty-four million, sixty-one thousand, six hundred twenty-two".