203221340030 has 16 divisors (see below), whose sum is σ = 366631673760. Its totient is φ = 81103366752.

The previous prime is 203221340011. The next prime is 203221340059. The reversal of 203221340030 is 30043122302.

It is a junction number, because it is equal to n+sod(n) for n = 203221339984 and 203221340011.

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, 23141549 + ... + 23150328.

It is an arithmetic number, because the mean of its divisors is an integer number (22914479610).

Almost surely, 2^203221340030 is an apocalyptic number.

203221340030 is a deficient number, since it is larger than the sum of its proper divisors (163410333730).

203221340030 is a wasteful number, since it uses less digits than its factorization.

203221340030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46292323.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203221340030 its reverse (30043122302), we get a palindrome (233264462332).

The spelling of 203221340030 in words is "two hundred three billion, two hundred twenty-one million, three hundred forty thousand, thirty".