20522331410 has 80 divisors (see below), whose sum is σ = 43222948056. Its totient is φ = 7015244544.

The previous prime is 20522331407. The next prime is 20522331449. The reversal of 20522331410 is 1413322502.

It can be written as a sum of positive squares in 4 ways, for example, as 13361279281 + 7161052129 = 115591^2 + 84623^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9530894 + ... + 9533046.

Almost surely, 2^20522331410 is an apocalyptic number.

20522331410 is an abundant number, since it is smaller than the sum of its proper divisors (22700616646).

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

20522331410 is an equidigital number, since it uses as much as digits as its factorization.

20522331410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20522331410 its reverse (1413322502), we get a palindrome (21935653912).

The spelling of 20522331410 in words is "twenty billion, five hundred twenty-two million, three hundred thirty-one thousand, four hundred ten".