20201222322 has 24 divisors (see below), whose sum is σ = 45672329664. Its totient is φ = 6440969304.

The previous prime is 20201222311. The next prime is 20201222339. The reversal of 20201222322 is 22322210202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20201222295 and 20201222304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24397198 + ... + 24398025.

It is an arithmetic number, because the mean of its divisors is an integer number (1903013736).

Almost surely, 2^20201222322 is an apocalyptic number.

20201222322 is an abundant number, since it is smaller than the sum of its proper divisors (25471107342).

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

20201222322 is a wasteful number, since it uses less digits than its factorization.

20201222322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48795254 (or 48795251 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20201222322 its reverse (22322210202), we get a palindrome (42523432524).

The spelling of 20201222322 in words is "twenty billion, two hundred one million, two hundred twenty-two thousand, three hundred twenty-two".