20011120332312 has 16 divisors (see below), whose sum is σ = 50027800830840. Its totient is φ = 6670373444096.

The previous prime is 20011120332311. The next prime is 20011120332337. The reversal of 20011120332312 is 21323302111002.

It is a super-2 number, since 2×20011120332312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011120332311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416898340233 + ... + 416898340280.

Almost surely, 2^{20011120332312} is an apocalyptic number.

It is an amenable number.

20011120332312 is an abundant number, since it is smaller than the sum of its proper divisors (30016680498528).

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

20011120332312 is a wasteful number, since it uses less digits than its factorization.

20011120332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833796680522 (or 833796680518 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20011120332312 its reverse (21323302111002), we get a palindrome (41334422443314).

The spelling of 20011120332312 in words is "twenty trillion, eleven billion, one hundred twenty million, three hundred thirty-two thousand, three hundred twelve".