20522404330 has 16 divisors (see below), whose sum is σ = 37407928320. Its totient is φ = 8105050512.

The previous prime is 20522404321. The next prime is 20522404339. The reversal of 20522404330 is 3340422502.

It is an interprime number because it is at equal distance from previous prime (20522404321) and next prime (20522404339).

It is a junction number, because it is equal to n+sod(n) for n = 20522404295 and 20522404304.

It is not an unprimeable number, because it can be changed into a prime (20522404339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12988074 + ... + 12989653.

It is an arithmetic number, because the mean of its divisors is an integer number (2337995520).

Almost surely, 2^20522404330 is an apocalyptic number.

20522404330 is a deficient number, since it is larger than the sum of its proper divisors (16885523990).

20522404330 is a wasteful number, since it uses less digits than its factorization.

20522404330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25977813.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20522404330 its reverse (3340422502), we get a palindrome (23862826832).

The spelling of 20522404330 in words is "twenty billion, five hundred twenty-two million, four hundred four thousand, three hundred thirty".