20122086 has 16 divisors (see below), whose sum is σ = 41004144. Its totient is φ = 6580704.

The previous prime is 20122061. The next prime is 20122087. The reversal of 20122086 is 68022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122087) 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, 31321 + ... + 31956.

It is an arithmetic number, because the mean of its divisors is an integer number (2562759).

Almost surely, 2^20122086 is an apocalyptic number.

20122086 is an abundant number, since it is smaller than the sum of its proper divisors (20882058).

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

20122086 is a wasteful number, since it uses less digits than its factorization.

20122086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63335.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20122086 is about 4485.7648177318. The cubic root of 20122086 is about 271.9929622602.

Adding to 20122086 its reverse (68022102), we get a palindrome (88144188).

The spelling of 20122086 in words is "twenty million, one hundred twenty-two thousand, eighty-six".