20522231210 has 64 divisors (see below), whose sum is σ = 40548211200. Its totient is φ = 7432508160.

The previous prime is 20522231141. The next prime is 20522231269. The reversal of 20522231210 is 1213222502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1831184 + ... + 1842356.

It is an arithmetic number, because the mean of its divisors is an integer number (633565800).

Almost surely, 2^20522231210 is an apocalyptic number.

20522231210 is a deficient number, since it is larger than the sum of its proper divisors (20025979990).

20522231210 is a wasteful number, since it uses less digits than its factorization.

20522231210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20522231210 its reverse (1213222502), we get a palindrome (21735453712).

The spelling of 20522231210 in words is "twenty billion, five hundred twenty-two million, two hundred thirty-one thousand, two hundred ten".