20200122211 has 8 divisors (see below), whose sum is σ = 21455841600. Its totient is φ = 18951900288.

The previous prime is 20200122197. The next prime is 20200122247. The reversal of 20200122211 is 11222100202.

It is a happy number.

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

It is not a de Polignac number, because 20200122211 - 2¹⁵ = 20200089443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200122191 and 20200122200.

It is not an unprimeable number, because it can be changed into a prime (20200122281) 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, 1868811 + ... + 1879588.

It is an arithmetic number, because the mean of its divisors is an integer number (2681980200).

Almost surely, 2^20200122211 is an apocalyptic number.

20200122211 is a deficient number, since it is larger than the sum of its proper divisors (1255719389).

20200122211 is a wasteful number, since it uses less digits than its factorization.

20200122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748733.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20200122211 its reverse (11222100202), we get a palindrome (31422222413).

The spelling of 20200122211 in words is "twenty billion, two hundred million, one hundred twenty-two thousand, two hundred eleven".