20153460266 has 8 divisors (see below), whose sum is σ = 30277206624. Its totient is φ = 10061058060.

The previous prime is 20153460241. The next prime is 20153460277. The reversal of 20153460266 is 66206435102.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7834430 + ... + 7837001.

It is an arithmetic number, because the mean of its divisors is an integer number (3784650828).

Almost surely, 2^20153460266 is an apocalyptic number.

20153460266 is a deficient number, since it is larger than the sum of its proper divisors (10123746358).

20153460266 is a wasteful number, since it uses less digits than its factorization.

20153460266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672076.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 20153460266 its reverse (66206435102), we get a palindrome (86359895368).

The spelling of 20153460266 in words is "twenty billion, one hundred fifty-three million, four hundred sixty thousand, two hundred sixty-six".