20322211223228 has 24 divisors (see below), whose sum is σ = 35862834405888. Its totient is φ = 10075993818176.

The previous prime is 20322211223113. The next prime is 20322211223231. The reversal of 20322211223228 is 82232211222302.

It is a junction number, because it is equal to n+sod(n) for n = 20322211223194 and 20322211223203.

It is a congruent number.

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, 38073551 + ... + 38603622.

It is an arithmetic number, because the mean of its divisors is an integer number (1494284766912).

Almost surely, 2^{20322211223228} is an apocalyptic number.

It is an amenable number.

20322211223228 is a deficient number, since it is larger than the sum of its proper divisors (15540623182660).

20322211223228 is a wasteful number, since it uses less digits than its factorization.

20322211223228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76677733 (or 76677731 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 20322211223228 in words is "twenty trillion, three hundred twenty-two billion, two hundred eleven million, two hundred twenty-three thousand, two hundred twenty-eight".