20005222054211 has 8 divisors (see below), whose sum is σ = 20199745554144. Its totient is φ = 19810704286080.

The previous prime is 20005222054201. The next prime is 20005222054229. The reversal of 20005222054211 is 11245022250002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20005222054211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20005222054201) 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, 5755901 + ... + 8552241.

It is an arithmetic number, because the mean of its divisors is an integer number (2524968194268).

Almost surely, 2^{20005222054211} is an apocalyptic number.

20005222054211 is a deficient number, since it is larger than the sum of its proper divisors (194523499933).

20005222054211 is a wasteful number, since it uses less digits than its factorization.

20005222054211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865901.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 20005222054211 in words is "twenty trillion, five billion, two hundred twenty-two million, fifty-four thousand, two hundred eleven".