20522203505 has 8 divisors (see below), whose sum is σ = 24629493312. Its totient is φ = 16415863408.

The previous prime is 20522203489. The next prime is 20522203519. The reversal of 20522203505 is 50530222502.

It is a happy number.

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 20522203505 - 2⁴ = 20522203489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188987 + ... + 277056.

It is an arithmetic number, because the mean of its divisors is an integer number (3078686664).

Almost surely, 2^20522203505 is an apocalyptic number.

It is an amenable number.

20522203505 is a deficient number, since it is larger than the sum of its proper divisors (4107289807).

20522203505 is an equidigital number, since it uses as much as digits as its factorization.

20522203505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474855.

The product of its (nonzero) digits is 6000, while the sum is 26.

The spelling of 20522203505 in words is "twenty billion, five hundred twenty-two million, two hundred three thousand, five hundred five".