222320014020 has 144 divisors (see below), whose sum is σ = 751288552560. Its totient is φ = 52837843968.

The previous prime is 222320014009. The next prime is 222320014027. The reversal of 222320014020 is 20410023222.

It can be written as a sum of positive squares in 8 ways, for example, as 3279165696 + 219040848324 = 57264^2 + 468018^2 .

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 = 222320013984 and 222320014002.

It is not an unprimeable number, because it can be changed into a prime (222320014027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1570219 + ... + 1705938.

It is an arithmetic number, because the mean of its divisors is an integer number (5217281615).

Almost surely, 2^222320014020 is an apocalyptic number.

222320014020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222320014020 is an abundant number, since it is smaller than the sum of its proper divisors (528968538540).

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

222320014020 is a wasteful number, since it uses less digits than its factorization.

222320014020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276214 (or 3276209 counting only the distinct ones).

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

Adding to 222320014020 its reverse (20410023222), we get a palindrome (242730037242).

The spelling of 222320014020 in words is "two hundred twenty-two billion, three hundred twenty million, fourteen thousand, twenty".