202138044 has 24 divisors (see below), whose sum is σ = 474386640. Its totient is φ = 66989184.

The previous prime is 202138003. The next prime is 202138049. The reversal of 202138044 is 440831202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202138049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46609 + ... + 50760.

It is an arithmetic number, because the mean of its divisors is an integer number (19766110).

Almost surely, 2^202138044 is an apocalyptic number.

It is an amenable number.

202138044 is an abundant number, since it is smaller than the sum of its proper divisors (272248596).

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

202138044 is a wasteful number, since it uses less digits than its factorization.

202138044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97549 (or 97547 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 202138044 is about 14217.5259451144. The cubic root of 202138044 is about 586.8800585350.

Adding to 202138044 its reverse (440831202), we get a palindrome (642969246).

The spelling of 202138044 in words is "two hundred two million, one hundred thirty-eight thousand, forty-four".