322422021020 has 48 divisors (see below), whose sum is σ = 770754313728. Its totient is φ = 112146788160.

The previous prime is 322422021013. The next prime is 322422021071. The reversal of 322422021020 is 20120224223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 322422020983 and 322422021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31854824 + ... + 31864943.

It is an arithmetic number, because the mean of its divisors is an integer number (16057381536).

Almost surely, 2^322422021020 is an apocalyptic number.

It is an amenable number.

322422021020 is an abundant number, since it is smaller than the sum of its proper divisors (448332292708).

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

322422021020 is a wasteful number, since it uses less digits than its factorization.

322422021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63719810 (or 63719808 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 322422021020 its reverse (20120224223), we get a palindrome (342542245243).

The spelling of 322422021020 in words is "three hundred twenty-two billion, four hundred twenty-two million, twenty-one thousand, twenty".