20092210 has 16 divisors (see below), whose sum is σ = 36518976. Its totient is φ = 7958448.

The previous prime is 20092201. The next prime is 20092339. The reversal of 20092210 is 1229002.

It is a happy number.

It is a super-3 number, since 3×20092210³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8724 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (2282436).

Almost surely, 2^20092210 is an apocalyptic number.

20092210 is a deficient number, since it is larger than the sum of its proper divisors (16426766).

20092210 is a wasteful number, since it uses less digits than its factorization.

20092210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19617.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 20092210 is about 4482.4334908619. The cubic root of 20092210 is about 271.8582829374.

It can be divided in two parts, 20092 and 210, that added together give a palindrome (20302).

The spelling of 20092210 in words is "twenty million, ninety-two thousand, two hundred ten".