20151650266 has 8 divisors (see below), whose sum is σ = 32975427744. Its totient is φ = 9159841020.

The previous prime is 20151650263. The next prime is 20151650273. The reversal of 20151650266 is 66205615102.

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

It is not an unprimeable number, because it can be changed into a prime (20151650263) by changing a digit.

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, 457992030 + ... + 457992073.

It is an arithmetic number, because the mean of its divisors is an integer number (4121928468).

Almost surely, 2^20151650266 is an apocalyptic number.

20151650266 is a deficient number, since it is larger than the sum of its proper divisors (12823777478).

20151650266 is a wasteful number, since it uses less digits than its factorization.

20151650266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915984116.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 20151650266 in words is "twenty billion, one hundred fifty-one million, six hundred fifty thousand, two hundred sixty-six".