20230221032 has 16 divisors (see below), whose sum is σ = 43350473760. Its totient is φ = 8670094704.

The previous prime is 20230221023. The next prime is 20230221071. The reversal of 20230221032 is 23012203202.

It is a self number, because there is not a number n which added to its sum of digits gives 20230221032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180626918 + ... + 180627029.

It is an arithmetic number, because the mean of its divisors is an integer number (2709404610).

Almost surely, 2^20230221032 is an apocalyptic number.

It is an amenable number.

20230221032 is an abundant number, since it is smaller than the sum of its proper divisors (23120252728).

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

20230221032 is a wasteful number, since it uses less digits than its factorization.

20230221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361253960 (or 361253956 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20230221032 its reverse (23012203202), we get a palindrome (43242424234).

The spelling of 20230221032 in words is "twenty billion, two hundred thirty million, two hundred twenty-one thousand, thirty-two".