20011213343 has 8 divisors (see below), whose sum is σ = 22002309120. Its totient is φ = 18048766680.

The previous prime is 20011213309. The next prime is 20011213351. The reversal of 20011213343 is 34331211002.

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 20011213343 - 2⁸ = 20011213087 is a prime.

It is a super-2 number, since 2×20011213343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011213303) 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, 7160813 + ... + 7163606.

It is an arithmetic number, because the mean of its divisors is an integer number (2750288640).

Almost surely, 2^20011213343 is an apocalyptic number.

20011213343 is a deficient number, since it is larger than the sum of its proper divisors (1991095777).

20011213343 is a wasteful number, since it uses less digits than its factorization.

20011213343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324557.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20011213343 its reverse (34331211002), we get a palindrome (54342424345).

The spelling of 20011213343 in words is "twenty billion, eleven million, two hundred thirteen thousand, three hundred forty-three".