100202028 has 24 divisors (see below), whose sum is σ = 234120432. Its totient is φ = 33355584.

The previous prime is 100202027. The next prime is 100202057. The reversal of 100202028 is 820202001.

It is a super-3 number, since 3×100202028³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100201998 and 100202016.

It is not an unprimeable number, because it can be changed into a prime (100202027) 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, 4326 + ... + 14802.

It is an arithmetic number, because the mean of its divisors is an integer number (9755018).

Almost surely, 2^100202028 is an apocalyptic number.

It is an amenable number.

100202028 is an abundant number, since it is smaller than the sum of its proper divisors (133918404).

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

100202028 is a wasteful number, since it uses less digits than its factorization.

100202028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281 (or 11279 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 100202028 is about 10010.0963032331. The cubic root of 100202028 is about 464.4712500692.

Adding to 100202028 its reverse (820202001), we get a palindrome (920404029).

The spelling of 100202028 in words is "one hundred million, two hundred two thousand, twenty-eight".