20020101021082 has 4 divisors (see below), whose sum is σ = 30030151531626. Its totient is φ = 10010050510540.

The previous prime is 20020101021079. The next prime is 20020101021083. The reversal of 20020101021082 is 28012010102002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19977136437241 + 42964583841 = 4469579^2 + 207279^2 .

It is not an unprimeable number, because it can be changed into a prime (20020101021083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005025255269 + ... + 5005025255272.

Almost surely, 2^{20020101021082} is an apocalyptic number.

20020101021082 is a deficient number, since it is larger than the sum of its proper divisors (10010050510544).

20020101021082 is a wasteful number, since it uses less digits than its factorization.

20020101021082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010050510543.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20020101021082 its reverse (28012010102002), we get a palindrome (48032111123084).

The spelling of 20020101021082 in words is "twenty trillion, twenty billion, one hundred one million, twenty-one thousand, eighty-two".