20601828 has 36 divisors (see below), whose sum is σ = 56084028. Its totient is φ = 6338880.

The previous prime is 20601817. The next prime is 20601851. The reversal of 20601828 is 82810602.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 15069924 = 2352^2 + 3882^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21543 + ... + 22478.

Almost surely, 2^20601828 is an apocalyptic number.

It is an amenable number.

20601828 is an abundant number, since it is smaller than the sum of its proper divisors (35482200).

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

20601828 is a wasteful number, since it uses less digits than its factorization.

20601828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44044 (or 44039 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 20601828 is about 4538.9236609575. The cubic root of 20601828 is about 274.1375869643.

The spelling of 20601828 in words is "twenty million, six hundred one thousand, eight hundred twenty-eight".