203021154230 has 16 divisors (see below), whose sum is σ = 369205482240. Its totient is φ = 80371260672.

The previous prime is 203021154209. The next prime is 203021154239. The reversal of 203021154230 is 32451120302.

It is a junction number, because it is equal to n+sod(n) for n = 203021154196 and 203021154205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203021154239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104649110 + ... + 104651049.

It is an arithmetic number, because the mean of its divisors is an integer number (23075342640).

Almost surely, 2^203021154230 is an apocalyptic number.

203021154230 is a deficient number, since it is larger than the sum of its proper divisors (166184328010).

203021154230 is a wasteful number, since it uses less digits than its factorization.

203021154230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209300263.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 203021154230 its reverse (32451120302), we get a palindrome (235472274532).

The spelling of 203021154230 in words is "two hundred three billion, twenty-one million, one hundred fifty-four thousand, two hundred thirty".