20213000221301 has 4 divisors (see below), whose sum is σ = 20337006357792. Its totient is φ = 20088994084812.

The previous prime is 20213000221259. The next prime is 20213000221319. The reversal of 20213000221301 is 10312200031202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20213000221301 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 20213000221301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213000221361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62003068001 + ... + 62003068326.

It is an arithmetic number, because the mean of its divisors is an integer number (5084251589448).

Almost surely, 2^{20213000221301} is an apocalyptic number.

It is an amenable number.

20213000221301 is a deficient number, since it is larger than the sum of its proper divisors (124006136491).

20213000221301 is a wasteful number, since it uses less digits than its factorization.

20213000221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124006136490.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20213000221301 its reverse (10312200031202), we get a palindrome (30525200252503).

The spelling of 20213000221301 in words is "twenty trillion, two hundred thirteen billion, two hundred twenty-one thousand, three hundred one".