20020010123312 has 40 divisors (see below), whose sum is σ = 39092113309200. Its totient is φ = 9931812360192.

The previous prime is 20020010123291. The next prime is 20020010123329. The reversal of 20020010123312 is 21332101002002.

It is a super-2 number, since 2×20020010123312² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781088 + ... + 6375744.

It is an arithmetic number, because the mean of its divisors is an integer number (977302832730).

Almost surely, 2^{20020010123312} is an apocalyptic number.

It is an amenable number.

20020010123312 is a deficient number, since it is larger than the sum of its proper divisors (19072103185888).

20020010123312 is a wasteful number, since it uses less digits than its factorization.

20020010123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596413 (or 5596407 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20020010123312 its reverse (21332101002002), we get a palindrome (41352111125314).

The spelling of 20020010123312 in words is "twenty trillion, twenty billion, ten million, one hundred twenty-three thousand, three hundred twelve".