20133028 has 12 divisors (see below), whose sum is σ = 35268912. Its totient is φ = 10056200.

The previous prime is 20133023. The next prime is 20133041. The reversal of 20133028 is 82033102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20132996 and 20133014.

It is not an unprimeable number, because it can be changed into a prime (20133023) 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 3 ways as a sum of consecutive naturals, for example, 3303 + ... + 7153.

It is an arithmetic number, because the mean of its divisors is an integer number (2939076).

Almost surely, 2^20133028 is an apocalyptic number.

It is an amenable number.

20133028 is a deficient number, since it is larger than the sum of its proper divisors (15135884).

20133028 is a wasteful number, since it uses less digits than its factorization.

20133028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20133028 is about 4486.9842879154. The cubic root of 20133028 is about 272.0422548253.

It can be divided in two parts, 2013 and 3028, that added together give a square (5041 = 71²).

The spelling of 20133028 in words is "twenty million, one hundred thirty-three thousand, twenty-eight".