203404122030 has 32 divisors (see below), whose sum is σ = 488203228800. Its totient is φ = 54237395232.

The previous prime is 203404122007. The next prime is 203404122107. The reversal of 203404122030 is 30221404302.

It is a junction number, because it is equal to n+sod(n) for n = 203404121988 and 203404122006.

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, 230241 + ... + 678099.

It is an arithmetic number, because the mean of its divisors is an integer number (15256350900).

Almost surely, 2^203404122030 is an apocalyptic number.

203404122030 is an abundant number, since it is smaller than the sum of its proper divisors (284799106770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203404122030 is a wasteful number, since it uses less digits than its factorization.

203404122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463008.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203404122030 its reverse (30221404302), we get a palindrome (233625526332).

The spelling of 203404122030 in words is "two hundred three billion, four hundred four million, one hundred twenty-two thousand, thirty".