203707842218 has 8 divisors (see below), whose sum is σ = 305887872612. Its totient is φ = 101745218016.

The previous prime is 203707842193. The next prime is 203707842253. The reversal of 203707842218 is 812248707302.

It can be written as a sum of positive squares in 2 ways, for example, as 132326430289 + 71381411929 = 363767^2 + 267173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203707842218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54349205 + ... + 54352952.

Almost surely, 2^203707842218 is an apocalyptic number.

203707842218 is a deficient number, since it is larger than the sum of its proper divisors (102180030394).

203707842218 is a wasteful number, since it uses less digits than its factorization.

203707842218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108703096.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 203707842218 in words is "two hundred three billion, seven hundred seven million, eight hundred forty-two thousand, two hundred eighteen".