20522301352530 has 32 divisors (see below), whose sum is σ = 49427563984704. Its totient is φ = 5453275834176.

The previous prime is 20522301352453. The next prime is 20522301352541. The reversal of 20522301352530 is 3525310322502.

It is a junction number, because it is equal to n+sod(n) for n = 20522301352491 and 20522301352500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1208607609 + ... + 1208624588.

It is an arithmetic number, because the mean of its divisors is an integer number (1544611374522).

Almost surely, 2^{20522301352530} is an apocalyptic number.

20522301352530 is an abundant number, since it is smaller than the sum of its proper divisors (28905262632174).

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

20522301352530 is a wasteful number, since it uses less digits than its factorization.

20522301352530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417232490.

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 20522301352530 in words is "twenty trillion, five hundred twenty-two billion, three hundred one million, three hundred fifty-two thousand, five hundred thirty".