20003212033213 has 16 divisors (see below), whose sum is σ = 21625536389440. Its totient is φ = 18437861001600.

The previous prime is 20003212033199. The next prime is 20003212033241. The reversal of 20003212033213 is 31233021230002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003212033213 is a prime.

It is a super-2 number, since 2×20003212033213² (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 (20003212033813) 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, 37614298 + ... + 38142388.

It is an arithmetic number, because the mean of its divisors is an integer number (1351596024340).

Almost surely, 2^{20003212033213} is an apocalyptic number.

It is an amenable number.

20003212033213 is a deficient number, since it is larger than the sum of its proper divisors (1622324356227).

20003212033213 is a wasteful number, since it uses less digits than its factorization.

20003212033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582028.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20003212033213 its reverse (31233021230002), we get a palindrome (51236233263215).

The spelling of 20003212033213 in words is "twenty trillion, three billion, two hundred twelve million, thirty-three thousand, two hundred thirteen".