203426542522 has 16 divisors (see below), whose sum is σ = 348738368832. Its totient is φ = 87181015680.

The previous prime is 203426542499. The next prime is 203426542577. The reversal of 203426542522 is 225245624302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741322 + ... + 977962.

It is an arithmetic number, because the mean of its divisors is an integer number (21796148052).

Almost surely, 2^203426542522 is an apocalyptic number.

203426542522 is a deficient number, since it is larger than the sum of its proper divisors (145311826310).

203426542522 is a wasteful number, since it uses less digits than its factorization.

203426542522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298053.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 203426542522 in words is "two hundred three billion, four hundred twenty-six million, five hundred forty-two thousand, five hundred twenty-two".