20206122 has 8 divisors (see below), whose sum is σ = 40412256. Its totient is φ = 6735372.

The previous prime is 20206097. The next prime is 20206129. The reversal of 20206122 is 22160202.

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

20206122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20206129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683838 + ... + 1683849.

It is an arithmetic number, because the mean of its divisors is an integer number (5051532).

Almost surely, 2^20206122 is an apocalyptic number.

20206122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20206122 is a wasteful number, since it uses less digits than its factorization.

20206122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367692.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20206122 is about 4495.1220228154. The cubic root of 20206122 is about 272.3710783701.

Adding to 20206122 its reverse (22160202), we get a palindrome (42366324).

The spelling of 20206122 in words is "twenty million, two hundred six thousand, one hundred twenty-two".