20028153 has 16 divisors (see below), whose sum is σ = 27599616. Its totient is φ = 12910800.

The previous prime is 20028121. The next prime is 20028179. The reversal of 20028153 is 35182002.

It is not a de Polignac number, because 20028153 - 2⁵ = 20028121 is a prime.

It is a super-3 number, since 3×20028153³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20028053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13078 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (1724976).

Almost surely, 2^20028153 is an apocalyptic number.

It is an amenable number.

20028153 is a deficient number, since it is larger than the sum of its proper divisors (7571463).

20028153 is a wasteful number, since it uses less digits than its factorization.

20028153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20028153 is about 4475.2824491869. The cubic root of 20028153 is about 271.5690669430.

The spelling of 20028153 in words is "twenty million, twenty-eight thousand, one hundred fifty-three".