202028424 has 32 divisors (see below), whose sum is σ = 543923520. Its totient is φ = 62162496.

The previous prime is 202028371. The next prime is 202028429. The reversal of 202028424 is 424820202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 202028394 and 202028403.

It is not an unprimeable number, because it can be changed into a prime (202028429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323452 + ... + 324075.

It is an arithmetic number, because the mean of its divisors is an integer number (16997610).

Almost surely, 2^202028424 is an apocalyptic number.

202028424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

202028424 is an abundant number, since it is smaller than the sum of its proper divisors (341895096).

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

202028424 is a wasteful number, since it uses less digits than its factorization.

202028424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647549 (or 647545 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 202028424 is about 14213.6703212084. The cubic root of 202028424 is about 586.7739504785.

Adding to 202028424 its reverse (424820202), we get a palindrome (626848626).

The spelling of 202028424 in words is "two hundred two million, twenty-eight thousand, four hundred twenty-four".