20031200230 has 32 divisors (see below), whose sum is σ = 37196861184. Its totient is φ = 7760935296.

The previous prime is 20031200221. The next prime is 20031200303. The reversal of 20031200230 is 3200213002.

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 20031200230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38877 + ... + 203896.

It is an arithmetic number, because the mean of its divisors is an integer number (1162401912).

Almost surely, 2^20031200230 is an apocalyptic number.

20031200230 is a deficient number, since it is larger than the sum of its proper divisors (17165660954).

20031200230 is a wasteful number, since it uses less digits than its factorization.

20031200230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243040.

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

Adding to 20031200230 its reverse (3200213002), we get a palindrome (23231413232).

The spelling of 20031200230 in words is "twenty billion, thirty-one million, two hundred thousand, two hundred thirty".