20230321724 has 12 divisors (see below), whose sum is σ = 36359902824. Its totient is φ = 9841778064.

The previous prime is 20230321723. The next prime is 20230321751. The reversal of 20230321724 is 42712303202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20230321693 and 20230321702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230321723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68345534 + ... + 68345829.

It is an arithmetic number, because the mean of its divisors is an integer number (3029991902).

Almost surely, 2^20230321724 is an apocalyptic number.

It is an amenable number.

20230321724 is a deficient number, since it is larger than the sum of its proper divisors (16129581100).

20230321724 is a wasteful number, since it uses less digits than its factorization.

20230321724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136691404 (or 136691402 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 20230321724 its reverse (42712303202), we get a palindrome (62942624926).

The spelling of 20230321724 in words is "twenty billion, two hundred thirty million, three hundred twenty-one thousand, seven hundred twenty-four".