20201140102312 has 32 divisors (see below), whose sum is σ = 40791066964200. Its totient is φ = 9323533799424.

The previous prime is 20201140102307. The next prime is 20201140102331. The reversal of 20201140102312 is 21320104110202.

It can be written as a sum of positive squares in 4 ways, for example, as 5791174868196 + 14409965234116 = 2406486^2 + 3796046^2 .

It is a super-2 number, since 2×20201140102312² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20201140102312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14962168 + ... + 16256344.

Almost surely, 2^{20201140102312} is an apocalyptic number.

It is an amenable number.

20201140102312 is an abundant number, since it is smaller than the sum of its proper divisors (20589926861888).

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

20201140102312 is a wasteful number, since it uses less digits than its factorization.

20201140102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444285 (or 1444281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20201140102312 its reverse (21320104110202), we get a palindrome (41521244212514).

The spelling of 20201140102312 in words is "twenty trillion, two hundred one billion, one hundred forty million, one hundred two thousand, three hundred twelve".