203122201408 has 28 divisors (see below), whose sum is σ = 460652136352. Its totient is φ = 87052371840.

The previous prime is 203122201397. The next prime is 203122201409. The reversal of 203122201408 is 804102221302.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203122201409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226698438 + ... + 226699333.

Almost surely, 2^203122201408 is an apocalyptic number.

203122201408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

203122201408 is an abundant number, since it is smaller than the sum of its proper divisors (257529934944).

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

203122201408 is an equidigital number, since it uses as much as digits as its factorization.

203122201408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453397790 (or 453397780 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 203122201408 in words is "two hundred three billion, one hundred twenty-two million, two hundred one thousand, four hundred eight".