20213120011204 has 12 divisors (see below), whose sum is σ = 35857521116284. Its totient is φ = 9968113977984.

The previous prime is 20213120011171. The next prime is 20213120011247. The reversal of 20213120011204 is 40211002131202.

It can be written as a sum of positive squares in 2 ways, for example, as 16489300732804 + 3723819278400 = 4060702^2 + 1929720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34611506577 + ... + 34611507160.

Almost surely, 2^{20213120011204} is an apocalyptic number.

It is an amenable number.

20213120011204 is a deficient number, since it is larger than the sum of its proper divisors (15644401105080).

20213120011204 is a wasteful number, since it uses less digits than its factorization.

20213120011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69223013814 (or 69223013812 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20213120011204 its reverse (40211002131202), we get a palindrome (60424122142406).

The spelling of 20213120011204 in words is "twenty trillion, two hundred thirteen billion, one hundred twenty million, eleven thousand, two hundred four".