20230221132330 has 64 divisors (see below), whose sum is σ = 53756940446208. Its totient is φ = 4831097578560.

The previous prime is 20230221132323. The next prime is 20230221132349. The reversal of 20230221132330 is 3323112203202.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20230221132330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457468192 + ... + 457512411.

It is an arithmetic number, because the mean of its divisors is an integer number (839952194472).

Almost surely, 2^{20230221132330} is an apocalyptic number.

20230221132330 is an abundant number, since it is smaller than the sum of its proper divisors (33526719313878).

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

20230221132330 is a wasteful number, since it uses less digits than its factorization.

20230221132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914980691.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20230221132330 its reverse (3323112203202), we get a palindrome (23553333335532).

The spelling of 20230221132330 in words is "twenty trillion, two hundred thirty billion, two hundred twenty-one million, one hundred thirty-two thousand, three hundred thirty".