20012120313333 has 16 divisors (see below), whose sum is σ = 27135924618240. Its totient is φ = 13114878879344.

The previous prime is 20012120313329. The next prime is 20012120313377. The reversal of 20012120313333 is 33331302121002.

It is a cyclic number.

It is not a de Polignac number, because 20012120313333 - 2² = 20012120313329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012120313533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3981460 + ... + 7475042.

It is an arithmetic number, because the mean of its divisors is an integer number (1695995288640).

Almost surely, 2^{20012120313333} is an apocalyptic number.

It is an amenable number.

20012120313333 is a deficient number, since it is larger than the sum of its proper divisors (7123804304907).

20012120313333 is a wasteful number, since it uses less digits than its factorization.

20012120313333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526008.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20012120313333 its reverse (33331302121002), we get a palindrome (53343422434335).

The spelling of 20012120313333 in words is "twenty trillion, twelve billion, one hundred twenty million, three hundred thirteen thousand, three hundred thirty-three".