203442201320044 has 24 divisors (see below), whose sum is σ = 356156563064960. Its totient is φ = 101683187668224.

The previous prime is 203442201319967. The next prime is 203442201320077. The reversal of 203442201320044 is 440023102244302.

It is a super-2 number, since 2×203442201320044² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203442201319988 and 203442201320015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188873797 + ... + 189947875.

Almost surely, 2^{203442201320044} is an apocalyptic number.

It is an amenable number.

203442201320044 is a deficient number, since it is larger than the sum of its proper divisors (152714361744916).

203442201320044 is a wasteful number, since it uses less digits than its factorization.

203442201320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091689 (or 1091687 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 203442201320044 its reverse (440023102244302), we get a palindrome (643465303564346).

The spelling of 203442201320044 in words is "two hundred three trillion, four hundred forty-two billion, two hundred one million, three hundred twenty thousand, forty-four".