20092200 has 48 divisors (see below), whose sum is σ = 62287680. Its totient is φ = 5357760.

The previous prime is 20092187. The next prime is 20092201. The reversal of 20092200 is 229002.

It is a super-3 number, since 3×20092200³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20092200.

It is not an unprimeable number, because it can be changed into a prime (20092201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16144 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (1297660).

Almost surely, 2^20092200 is an apocalyptic number.

20092200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20092200 is an abundant number, since it is smaller than the sum of its proper divisors (42195480).

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

20092200 is a wasteful number, since it uses less digits than its factorization.

20092200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33506 (or 33497 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20092200 is about 4482.4323753962. The cubic root of 20092200 is about 271.8582378356.

The spelling of 20092200 in words is "twenty million, ninety-two thousand, two hundred".