20892202977211 has 8 divisors (see below), whose sum is σ = 21211097472000. Its totient is φ = 20573516440488.

The previous prime is 20892202977187. The next prime is 20892202977221. The reversal of 20892202977211 is 11277920229802.

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-20892202977211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20892202977221) 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, 51787051 + ... + 52188916.

It is an arithmetic number, because the mean of its divisors is an integer number (2651387184000).

Almost surely, 2^{20892202977211} is an apocalyptic number.

20892202977211 is a deficient number, since it is larger than the sum of its proper divisors (318894494789).

20892202977211 is a wasteful number, since it uses less digits than its factorization.

20892202977211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103979033.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 20892202977211 in words is "twenty trillion, eight hundred ninety-two billion, two hundred two million, nine hundred seventy-seven thousand, two hundred eleven".