20541554222 has 16 divisors (see below), whose sum is σ = 35224012512. Its totient is φ = 8801043360.

The previous prime is 20541554213. The next prime is 20541554237. The reversal of 20541554222 is 22245514502.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 154733 + ... + 255000.

It is an arithmetic number, because the mean of its divisors is an integer number (2201500782).

Almost surely, 2^20541554222 is an apocalyptic number.

20541554222 is a deficient number, since it is larger than the sum of its proper divisors (14682458290).

20541554222 is a wasteful number, since it uses less digits than its factorization.

20541554222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413323.

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 20541554222 in words is "twenty billion, five hundred forty-one million, five hundred fifty-four thousand, two hundred twenty-two".