202120206 has 16 divisors (see below), whose sum is σ = 410868048. Its totient is φ = 66268800.

The previous prime is 202120187. The next prime is 202120249. The reversal of 202120206 is 602021202.

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, 275755 + ... + 276486.

It is an arithmetic number, because the mean of its divisors is an integer number (25679253).

Almost surely, 2^202120206 is an apocalyptic number.

202120206 is an abundant number, since it is smaller than the sum of its proper divisors (208747842).

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

202120206 is a wasteful number, since it uses less digits than its factorization.

202120206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552307.

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

The square root of 202120206 is about 14216.8986069396. The cubic root of 202120206 is about 586.8627946325.

Adding to 202120206 its reverse (602021202), we get a palindrome (804141408).

The spelling of 202120206 in words is "two hundred two million, one hundred twenty thousand, two hundred six".