20200002221893 has 8 divisors (see below), whose sum is σ = 21764874346488. Its totient is φ = 18636705211584.

The previous prime is 20200002221891. The next prime is 20200002222007. The reversal of 20200002221893 is 39812220000202.

It can be written as a sum of positive squares in 4 ways, for example, as 867641949729 + 19332360272164 = 931473^2 + 4396858^2 .

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 20200002221893 - 2¹ = 20200002221891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200002221891) 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, 393751930 + ... + 393803227.

It is an arithmetic number, because the mean of its divisors is an integer number (2720609293311).

Almost surely, 2^{20200002221893} is an apocalyptic number.

It is an amenable number.

20200002221893 is a deficient number, since it is larger than the sum of its proper divisors (1564872124595).

20200002221893 is a wasteful number, since it uses less digits than its factorization.

20200002221893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787557143.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 20200002221893 in words is "twenty trillion, two hundred billion, two million, two hundred twenty-one thousand, eight hundred ninety-three".