202142443204 has 48 divisors (see below), whose sum is σ = 394921497600. Its totient is φ = 89891012736.

The previous prime is 202142443169. The next prime is 202142443207. The reversal of 202142443204 is 402344241202.

It is not an unprimeable number, because it can be changed into a prime (202142443207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582409 + ... + 862255.

It is an arithmetic number, because the mean of its divisors is an integer number (8227531200).

Almost surely, 2^202142443204 is an apocalyptic number.

It is an amenable number.

202142443204 is a deficient number, since it is larger than the sum of its proper divisors (192779054396).

202142443204 is a wasteful number, since it uses less digits than its factorization.

202142443204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280372 (or 280370 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 202142443204 its reverse (402344241202), we get a palindrome (604486684406).

It can be divided in two parts, 2021 and 42443204, that added together give a square (42445225 = 6515²).

The spelling of 202142443204 in words is "two hundred two billion, one hundred forty-two million, four hundred forty-three thousand, two hundred four".