20522006132551 has 8 divisors (see below), whose sum is σ = 25585877775744. Its totient is φ = 15991173609720.

The previous prime is 20522006132543. The next prime is 20522006132557. The reversal of 20522006132551 is 15523160022502.

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

It is a cyclic number.

It is not a de Polignac number, because 20522006132551 - 2³ = 20522006132543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20522006132557) 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, 133259780005 + ... + 133259780158.

It is an arithmetic number, because the mean of its divisors is an integer number (3198234721968).

Almost surely, 2^{20522006132551} is an apocalyptic number.

20522006132551 is a deficient number, since it is larger than the sum of its proper divisors (5063871643193).

20522006132551 is a wasteful number, since it uses less digits than its factorization.

20522006132551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266519560181.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 20522006132551 in words is "twenty trillion, five hundred twenty-two billion, six million, one hundred thirty-two thousand, five hundred fifty-one".