20482128 has 30 divisors (see below), whose sum is σ = 57321914. Its totient is φ = 6827328.

The previous prime is 20482123. The next prime is 20482157. The reversal of 20482128 is 82128402.

It can be written as a sum of positive squares in only one way, i.e., 19289664 + 1192464 = 4392^2 + 1092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70975 + ... + 71262.

Almost surely, 2^20482128 is an apocalyptic number.

It is an amenable number.

20482128 is an abundant number, since it is smaller than the sum of its proper divisors (36839786).

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

20482128 is a wasteful number, since it uses less digits than its factorization.

20482128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142251 (or 142242 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 20482128 is about 4525.7185064915. The cubic root of 20482128 is about 273.6056272568.

The spelling of 20482128 in words is "twenty million, four hundred eighty-two thousand, one hundred twenty-eight".