20106882 has 24 divisors (see below), whose sum is σ = 44493696. Its totient is φ = 6559416.

The previous prime is 20106847. The next prime is 20106893. The reversal of 20106882 is 28860102.

20106882 = 229² + 230² + ... + 416².

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11038 + ... + 12729.

It is an arithmetic number, because the mean of its divisors is an integer number (1853904).

Almost surely, 2^20106882 is an apocalyptic number.

20106882 is an abundant number, since it is smaller than the sum of its proper divisors (24386814).

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

20106882 is a wasteful number, since it uses less digits than its factorization.

20106882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23822 (or 23819 counting only the distinct ones).

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

The square root of 20106882 is about 4484.0698032033. The cubic root of 20106882 is about 271.9244401567.

Adding to 20106882 its reverse (28860102), we get a palindrome (48966984).

The spelling of 20106882 in words is "twenty million, one hundred six thousand, eight hundred eighty-two".