222130213020 has 72 divisors (see below), whose sum is σ = 674916431280. Its totient is φ = 59136134400.

The previous prime is 222130213013. The next prime is 222130213021. The reversal of 222130213020 is 20312031222.

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 = 222130212984 and 222130213002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222130213021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 918490 + ... + 1134849.

Almost surely, 2^222130213020 is an apocalyptic number.

222130213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222130213020 is an abundant number, since it is smaller than the sum of its proper divisors (452786218260).

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

222130213020 is a wasteful number, since it uses less digits than its factorization.

222130213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053955 (or 2053950 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222130213020 its reverse (20312031222), we get a palindrome (242442244242).

It can be divided in two parts, 2221302 and 13020, that added together give a palindrome (2234322).

The spelling of 222130213020 in words is "two hundred twenty-two billion, one hundred thirty million, two hundred thirteen thousand, twenty".