20092355 has 4 divisors (see below), whose sum is σ = 24110832. Its totient is φ = 16073880.

The previous prime is 20092339. The next prime is 20092357. The reversal of 20092355 is 55329002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20092355 - 2⁴ = 20092339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20092357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009231 + ... + 2009240.

It is an arithmetic number, because the mean of its divisors is an integer number (6027708).

Almost surely, 2^20092355 is an apocalyptic number.

20092355 is a deficient number, since it is larger than the sum of its proper divisors (4018477).

20092355 is an equidigital number, since it uses as much as digits as its factorization.

20092355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018476.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 20092355 is about 4482.4496650827. The cubic root of 20092355 is about 271.8589369115.

The spelling of 20092355 in words is "twenty million, ninety-two thousand, three hundred fifty-five".