203122420203030 has 32 divisors (see below), whose sum is σ = 487494556869888. Its totient is φ = 54165895567200.

The previous prime is 203122420202993. The next prime is 203122420203097. The reversal of 203122420203030 is 30302024221302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16101385 + ... + 25797275.

It is an arithmetic number, because the mean of its divisors is an integer number (15234204902184).

Almost surely, 2^{203122420203030} is an apocalyptic number.

203122420203030 is an abundant number, since it is smaller than the sum of its proper divisors (284372136666858).

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

203122420203030 is a wasteful number, since it uses less digits than its factorization.

203122420203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394212.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203122420203030 its reverse (30302024221302), we get a palindrome (233424444424332).

The spelling of 203122420203030 in words is "two hundred three trillion, one hundred twenty-two billion, four hundred twenty million, two hundred three thousand, thirty".