20012011010331 has 16 divisors (see below), whose sum is σ = 26708011545600. Its totient is φ = 13328680293728.

The previous prime is 20012011010311. The next prime is 20012011010347. The reversal of 20012011010331 is 13301011021002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20012011010331 - 2⁷ = 20012011010203 is a prime.

It is a super-3 number, since 3×20012011010331³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 20012011010331.

It is not an unprimeable number, because it can be changed into a prime (20012011010311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16451965 + ... + 17626433.

It is an arithmetic number, because the mean of its divisors is an integer number (1669250721600).

Almost surely, 2^{20012011010331} is an apocalyptic number.

20012011010331 is a deficient number, since it is larger than the sum of its proper divisors (6696000535269).

20012011010331 is a wasteful number, since it uses less digits than its factorization.

20012011010331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179858.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20012011010331 its reverse (13301011021002), we get a palindrome (33313022031333).

The spelling of 20012011010331 in words is "twenty trillion, twelve billion, eleven million, ten thousand, three hundred thirty-one".