20020101101012 has 24 divisors (see below), whose sum is σ = 36243512465160. Its totient is φ = 9664816129920.

The previous prime is 20020101101009. The next prime is 20020101101023. The reversal of 20020101101012 is 21010110102002.

It can be written as a sum of positive squares in 4 ways, for example, as 4425452712976 + 15594648388036 = 2103676^2 + 3949006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20020101100984 and 20020101101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22309562 + ... + 23189582.

It is an arithmetic number, because the mean of its divisors is an integer number (1510146352715).

Almost surely, 2^{20020101101012} is an apocalyptic number.

It is an amenable number.

20020101101012 is a deficient number, since it is larger than the sum of its proper divisors (16223411364148).

20020101101012 is a wasteful number, since it uses less digits than its factorization.

20020101101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076171 (or 1076169 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20020101101012 its reverse (21010110102002), we get a palindrome (41030211203014).

The spelling of 20020101101012 in words is "twenty trillion, twenty billion, one hundred one million, one hundred one thousand, twelve".