20353066 has 8 divisors (see below), whose sum is σ = 32136480. Its totient is φ = 9640908.

The previous prime is 20353049. The next prime is 20353079. The reversal of 20353066 is 66035302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20353066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267766 + ... + 267841.

It is an arithmetic number, because the mean of its divisors is an integer number (4017060).

Almost surely, 2^20353066 is an apocalyptic number.

20353066 is a deficient number, since it is larger than the sum of its proper divisors (11783414).

20353066 is a wasteful number, since it uses less digits than its factorization.

20353066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535628.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 20353066 is about 4511.4372432740. The cubic root of 20353066 is about 273.0297346261.

Adding to 20353066 its reverse (66035302), we get a palindrome (86388368).

The spelling of 20353066 in words is "twenty million, three hundred fifty-three thousand, sixty-six".