22540620320213 has 8 divisors (see below), whose sum is σ = 23662105532160. Its totient is φ = 21443783135040.

The previous prime is 22540620320203. The next prime is 22540620320287. The reversal of 22540620320213 is 31202302604522.

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

It is not a de Polignac number, because 22540620320213 - 2¹² = 22540620316117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22540620320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22540620320203) 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, 6162004820 + ... + 6162008477.

It is an arithmetic number, because the mean of its divisors is an integer number (2957763191520).

Almost surely, 2^{22540620320213} is an apocalyptic number.

It is an amenable number.

22540620320213 is a deficient number, since it is larger than the sum of its proper divisors (1121485211947).

22540620320213 is a wasteful number, since it uses less digits than its factorization.

22540620320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324013387.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 22540620320213 its reverse (31202302604522), we get a palindrome (53742922924735).

The spelling of 22540620320213 in words is "twenty-two trillion, five hundred forty billion, six hundred twenty million, three hundred twenty thousand, two hundred thirteen".