232213221020 has 48 divisors (see below), whose sum is σ = 532261951200. Its totient is φ = 84396318720.

The previous prime is 232213221017. The next prime is 232213221061. The reversal of 232213221020 is 20122312232.

It is a happy number.

232213221020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 232213220983 and 232213221001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136196 + ... + 694964.

It is an arithmetic number, because the mean of its divisors is an integer number (11088790650).

Almost surely, 2^232213221020 is an apocalyptic number.

232213221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232213221020 is an abundant number, since it is smaller than the sum of its proper divisors (300048730180).

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

232213221020 is a wasteful number, since it uses less digits than its factorization.

232213221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560678 (or 560676 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232213221020 its reverse (20122312232), we get a palindrome (252335533252).

The spelling of 232213221020 in words is "two hundred thirty-two billion, two hundred thirteen million, two hundred twenty-one thousand, twenty".