201242203626 has 16 divisors (see below), whose sum is σ = 402504352128. Its totient is φ = 67077410400.

The previous prime is 201242203607. The next prime is 201242203633. The reversal of 201242203626 is 626302242102.

It is a junction number, because it is equal to n+sod(n) for n = 201242203593 and 201242203602.

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, 698235 + ... + 943406.

It is an arithmetic number, because the mean of its divisors is an integer number (25156522008).

Almost surely, 2^201242203626 is an apocalyptic number.

201242203626 is an abundant number, since it is smaller than the sum of its proper divisors (201262148502).

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

201242203626 is a wasteful number, since it uses less digits than its factorization.

201242203626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662077.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 201242203626 its reverse (626302242102), we get a palindrome (827544445728).

The spelling of 201242203626 in words is "two hundred one billion, two hundred forty-two million, two hundred three thousand, six hundred twenty-six".