20522231010212 has 24 divisors (see below), whose sum is σ = 36749382190752. Its totient is φ = 10022411044800.

The previous prime is 20522231010161. The next prime is 20522231010223. The reversal of 20522231010212 is 21201013222502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28478387 + ... + 29190117.

It is an arithmetic number, because the mean of its divisors is an integer number (1531224257948).

Almost surely, 2^{20522231010212} is an apocalyptic number.

It is an amenable number.

20522231010212 is a deficient number, since it is larger than the sum of its proper divisors (16227151180540).

20522231010212 is a wasteful number, since it uses less digits than its factorization.

20522231010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879419 (or 879417 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20522231010212 its reverse (21201013222502), we get a palindrome (41723244232714).

The spelling of 20522231010212 in words is "twenty trillion, five hundred twenty-two billion, two hundred thirty-one million, ten thousand, two hundred twelve".