20101482 has 12 divisors (see below), whose sum is σ = 43553250. Its totient is φ = 6700488.

The previous prime is 20101427. The next prime is 20101483. The reversal of 20101482 is 28410102.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 6859161 = 3639^2 + 2619^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1116749 = 20101482 / (2 + 0 + 1 + 0 + 1 + 4 + 8 + 2).

It is not an unprimeable number, because it can be changed into a prime (20101483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558357 + ... + 558392.

Almost surely, 2^20101482 is an apocalyptic number.

20101482 is an abundant number, since it is smaller than the sum of its proper divisors (23451768).

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

20101482 is a wasteful number, since it uses less digits than its factorization.

20101482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116757 (or 1116754 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 20101482 is about 4483.4676311980. The cubic root of 20101482 is about 271.9000948695.

Adding to 20101482 its reverse (28410102), we get a palindrome (48511584).

The spelling of 20101482 in words is "twenty million, one hundred one thousand, four hundred eighty-two".