20012223031333 has 8 divisors (see below), whose sum is σ = 21553499507288. Its totient is φ = 18471214370304.

The previous prime is 20012223031331. The next prime is 20012223031469. The reversal of 20012223031333 is 33313032221002.

It can be written as a sum of positive squares in 4 ways, for example, as 4756769724004 + 15255453307329 = 2181002^2 + 3905823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20012223031333 - 2¹ = 20012223031331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012223031298 and 20012223031307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012223031331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66798516 + ... + 67097437.

It is an arithmetic number, because the mean of its divisors is an integer number (2694187438411).

Almost surely, 2^{20012223031333} is an apocalyptic number.

It is an amenable number.

20012223031333 is a deficient number, since it is larger than the sum of its proper divisors (1541276475955).

20012223031333 is a wasteful number, since it uses less digits than its factorization.

20012223031333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133907463.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20012223031333 its reverse (33313032221002), we get a palindrome (53325255252335).

The spelling of 20012223031333 in words is "twenty trillion, twelve billion, two hundred twenty-three million, thirty-one thousand, three hundred thirty-three".