20005542522 has 36 divisors (see below), whose sum is σ = 50422134906. Its totient is φ = 5715869040.

The previous prime is 20005542481. The next prime is 20005542533. The reversal of 20005542522 is 22524550002.

It can be written as a sum of positive squares in only one way, i.e., 16957508841 + 3048033681 = 130221^2 + 55209^2 .

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 17 ways as a sum of consecutive naturals, for example, 11340129 + ... + 11341892.

Almost surely, 2^20005542522 is an apocalyptic number.

20005542522 is an abundant number, since it is smaller than the sum of its proper divisors (30416592384).

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

20005542522 is a wasteful number, since it uses less digits than its factorization.

20005542522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22682043 (or 22682033 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The spelling of 20005542522 in words is "twenty billion, five million, five hundred forty-two thousand, five hundred twenty-two".