20522200551 has 8 divisors (see below), whose sum is σ = 27449253744. Its totient is φ = 13638307200.

The previous prime is 20522200541. The next prime is 20522200577. The reversal of 20522200551 is 15500222502.

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

It is not a de Polignac number, because 20522200551 - 2⁷ = 20522200423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522200541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10788850 + ... + 10790751.

It is an arithmetic number, because the mean of its divisors is an integer number (3431156718).

Almost surely, 2^20522200551 is an apocalyptic number.

20522200551 is a deficient number, since it is larger than the sum of its proper divisors (6927053193).

20522200551 is a wasteful number, since it uses less digits than its factorization.

20522200551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21579921.

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 20522200551 in words is "twenty billion, five hundred twenty-two million, two hundred thousand, five hundred fifty-one".