202044402 has 64 divisors (see below), whose sum is σ = 514863360. Its totient is φ = 57532032.

The previous prime is 202044389. The next prime is 202044407. The reversal of 202044402 is 204440202.

202044402 is a `hidden beast` number, since 20 + 204 + 440 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202044407) 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, 140278 + ... + 141710.

It is an arithmetic number, because the mean of its divisors is an integer number (8044740).

Almost surely, 2^202044402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202044402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257431680).

202044402 is an abundant number, since it is smaller than the sum of its proper divisors (312818958).

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

202044402 is a wasteful number, since it uses less digits than its factorization.

202044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 202044402 is about 14214.2323746307. The cubic root of 202044402 is about 586.7894189736.

Adding to 202044402 its reverse (204440202), we get a palindrome (406484604).

The spelling of 202044402 in words is "two hundred two million, forty-four thousand, four hundred two".