202003442109 has 32 divisors (see below), whose sum is σ = 360017280000. Its totient is φ = 109355244912.

The previous prime is 202003442107. The next prime is 202003442117. The reversal of 202003442109 is 901244300202.

202003442109 is a `hidden beast` number, since 2 + 0 + 200 + 3 + 442 + 10 + 9 = 666.

It is not a de Polignac number, because 202003442109 - 2¹ = 202003442107 is a prime.

It is a super-2 number, since 2×202003442109² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202003442107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28122759 + ... + 28129940.

It is an arithmetic number, because the mean of its divisors is an integer number (11250540000).

Almost surely, 2^202003442109 is an apocalyptic number.

It is an amenable number.

202003442109 is a deficient number, since it is larger than the sum of its proper divisors (158013837891).

202003442109 is a wasteful number, since it uses less digits than its factorization.

202003442109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56252734 (or 56252728 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 202003442109 in words is "two hundred two billion, three million, four hundred forty-two thousand, one hundred nine".