222310030020 has 48 divisors (see below), whose sum is σ = 670350246720. Its totient is φ = 54722468736.

The previous prime is 222310030009. The next prime is 222310030039. The reversal of 222310030020 is 20030013222.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 142505650 + ... + 142507209.

It is an arithmetic number, because the mean of its divisors is an integer number (13965630140).

Almost surely, 2^222310030020 is an apocalyptic number.

222310030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222310030020 is an abundant number, since it is smaller than the sum of its proper divisors (448040216700).

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

222310030020 is a wasteful number, since it uses less digits than its factorization.

222310030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285012884 (or 285012882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 222310030020 its reverse (20030013222), we get a palindrome (242340043242).

The spelling of 222310030020 in words is "two hundred twenty-two billion, three hundred ten million, thirty thousand, twenty".