202144442124 has 24 divisors (see below), whose sum is σ = 492177772800. Its totient is φ = 64451851024.

The previous prime is 202144442113. The next prime is 202144442191. The reversal of 202144442124 is 421244441202.

It is a junction number, because it is equal to n+sod(n) for n = 202144442091 and 202144442100.

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, 366203424 + ... + 366203975.

It is an arithmetic number, because the mean of its divisors is an integer number (20507407200).

Almost surely, 2^202144442124 is an apocalyptic number.

It is an amenable number.

202144442124 is an abundant number, since it is smaller than the sum of its proper divisors (290033330676).

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

202144442124 is a wasteful number, since it uses less digits than its factorization.

202144442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732407429 (or 732407427 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 202144442124 its reverse (421244441202), we get a palindrome (623388883326).

The spelling of 202144442124 in words is "two hundred two billion, one hundred forty-four million, four hundred forty-two thousand, one hundred twenty-four".