20020120206 has 16 divisors (see below), whose sum is σ = 40588737744. Its totient is φ = 6581957184.

The previous prime is 20020120177. The next prime is 20020120243. The reversal of 20020120206 is 60202102002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22853581 + ... + 22854456.

It is an arithmetic number, because the mean of its divisors is an integer number (2536796109).

Almost surely, 2^20020120206 is an apocalyptic number.

20020120206 is an abundant number, since it is smaller than the sum of its proper divisors (20568617538).

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

20020120206 is a wasteful number, since it uses less digits than its factorization.

20020120206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45708115.

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

Adding to 20020120206 its reverse (60202102002), we get a palindrome (80222222208).

The spelling of 20020120206 in words is "twenty billion, twenty million, one hundred twenty thousand, two hundred six".