22330231020 has 72 divisors (see below), whose sum is σ = 67846955904. Its totient is φ = 5944889088.

The previous prime is 22330231013. The next prime is 22330231067. The reversal of 22330231020 is 2013203322.

It is a happy number.

22330231020 is a `hidden beast` number, since 2 + 2 + 330 + 2 + 310 + 20 = 666.

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 = 22330230984 and 22330231002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7072 + ... + 211448.

It is an arithmetic number, because the mean of its divisors is an integer number (942318832).

Almost surely, 2^22330231020 is an apocalyptic number.

22330231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330231020 is an abundant number, since it is smaller than the sum of its proper divisors (45516724884).

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

22330231020 is a wasteful number, since it uses less digits than its factorization.

22330231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204999 (or 204994 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22330231020 its reverse (2013203322), we get a palindrome (24343434342).

The spelling of 22330231020 in words is "twenty-two billion, three hundred thirty million, two hundred thirty-one thousand, twenty".