200401092 has 18 divisors (see below), whose sum is σ = 506569518. Its totient is φ = 66800352.

The previous prime is 200401063. The next prime is 200401099. The reversal of 200401092 is 290104002.

200401092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 197796096 + 2604996 = 14064^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200401099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2783313 + ... + 2783384.

It is an arithmetic number, because the mean of its divisors is an integer number (28142751).

Almost surely, 2^200401092 is an apocalyptic number.

It is an amenable number.

200401092 is an abundant number, since it is smaller than the sum of its proper divisors (306168426).

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

200401092 is a wasteful number, since it uses less digits than its factorization.

200401092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566707 (or 5566702 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 200401092 is about 14156.3092647766. The cubic root of 200401092 is about 585.1942199738.

Adding to 200401092 its reverse (290104002), we get a palindrome (490505094).

The spelling of 200401092 in words is "two hundred million, four hundred one thousand, ninety-two".