20303134213 has 8 divisors (see below), whose sum is σ = 20743372800. Its totient is φ = 19863239760.

The previous prime is 20303134207. The next prime is 20303134237. The reversal of 20303134213 is 31243130302.

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 20303134213 - 2¹³ = 20303126021 is a prime.

It is a super-2 number, since 2×20303134213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303135213) 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, 35068 + ... + 204538.

It is an arithmetic number, because the mean of its divisors is an integer number (2592921600).

Almost surely, 2^20303134213 is an apocalyptic number.

It is an amenable number.

20303134213 is a deficient number, since it is larger than the sum of its proper divisors (440238587).

20303134213 is a wasteful number, since it uses less digits than its factorization.

20303134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172067.

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

Adding to 20303134213 its reverse (31243130302), we get a palindrome (51546264515).

The spelling of 20303134213 in words is "twenty billion, three hundred three million, one hundred thirty-four thousand, two hundred thirteen".