20523302322 has 32 divisors (see below), whose sum is σ = 41282517120. Its totient is φ = 6801822720.

The previous prime is 20523302297. The next prime is 20523302351. The reversal of 20523302322 is 22320332502.

It is a junction number, because it is equal to n+sod(n) for n = 20523302292 and 20523302301.

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, 2672304 + ... + 2679972.

It is an arithmetic number, because the mean of its divisors is an integer number (1290078660).

Almost surely, 2^20523302322 is an apocalyptic number.

20523302322 is an abundant number, since it is smaller than the sum of its proper divisors (20759214798).

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

20523302322 is a wasteful number, since it uses less digits than its factorization.

20523302322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10178.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20523302322 its reverse (22320332502), we get a palindrome (42843634824).

The spelling of 20523302322 in words is "twenty billion, five hundred twenty-three million, three hundred two thousand, three hundred twenty-two".