203426520336 has 80 divisors (see below), whose sum is σ = 628825585920. Its totient is φ = 62592773760.

The previous prime is 203426520301. The next prime is 203426520343. The reversal of 203426520336 is 633025624302.

203426520336 is a `hidden beast` number, since 20 + 3 + 426 + 5 + 203 + 3 + 6 = 666.

203426520336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×203426520336³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 203426520336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18105720 + ... + 18116951.

It is an arithmetic number, because the mean of its divisors is an integer number (7860319824).

Almost surely, 2^203426520336 is an apocalyptic number.

203426520336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

203426520336 is an abundant number, since it is smaller than the sum of its proper divisors (425399065584).

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

203426520336 is a wasteful number, since it uses less digits than its factorization.

203426520336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36222701 (or 36222689 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 203426520336 in words is "two hundred three billion, four hundred twenty-six million, five hundred twenty thousand, three hundred thirty-six".