20312323030 has 16 divisors (see below), whose sum is σ = 36564852240. Its totient is φ = 8124335712.

The previous prime is 20312323001. The next prime is 20312323049. The reversal of 20312323030 is 3032321302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20312322989 and 20312323007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86032 + ... + 219148.

It is an arithmetic number, because the mean of its divisors is an integer number (2285303265).

Almost surely, 2^20312323030 is an apocalyptic number.

20312323030 is a deficient number, since it is larger than the sum of its proper divisors (16252529210).

20312323030 is a wasteful number, since it uses less digits than its factorization.

20312323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148383.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20312323030 its reverse (3032321302), we get a palindrome (23344644332).

The spelling of 20312323030 in words is "twenty billion, three hundred twelve million, three hundred twenty-three thousand, thirty".