301020028 has 6 divisors (see below), whose sum is σ = 526785056. Its totient is φ = 150510012.

The previous prime is 301020023. The next prime is 301020043. The reversal of 301020028 is 820020103.

It is a happy number.

It is a super-2 number, since 2×301020028² = 181226114514241568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 301019993 and 301020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37627500 + ... + 37627507.

Almost surely, 2^301020028 is an apocalyptic number.

It is an amenable number.

301020028 is a deficient number, since it is larger than the sum of its proper divisors (225765028).

301020028 is a wasteful number, since it uses less digits than its factorization.

301020028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75255011 (or 75255009 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 301020028 is about 17349.9287606607. The cubic root of 301020028 is about 670.1908033097.

The spelling of 301020028 in words is "three hundred one million, twenty thousand, twenty-eight".