20001203230 has 16 divisors (see below), whose sum is σ = 36006385680. Its totient is φ = 7999543552.

The previous prime is 20001203221. The next prime is 20001203251. The reversal of 20001203230 is 3230210002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001203230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24115 + ... + 201454.

It is an arithmetic number, because the mean of its divisors is an integer number (2250399105).

Almost surely, 2^20001203230 is an apocalyptic number.

20001203230 is a deficient number, since it is larger than the sum of its proper divisors (16005182450).

20001203230 is a wasteful number, since it uses less digits than its factorization.

20001203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234443.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20001203230 its reverse (3230210002), we get a palindrome (23231413232).

The spelling of 20001203230 in words is "twenty billion, one million, two hundred three thousand, two hundred thirty".