20103120766 has 8 divisors (see below), whose sum is σ = 30579395184. Its totient is φ = 9909989040.

The previous prime is 20103120761. The next prime is 20103120773. The reversal of 20103120766 is 66702130102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103120761) 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, 70785495 + ... + 70785778.

It is an arithmetic number, because the mean of its divisors is an integer number (3822424398).

Almost surely, 2^20103120766 is an apocalyptic number.

20103120766 is a deficient number, since it is larger than the sum of its proper divisors (10476274418).

20103120766 is a wasteful number, since it uses less digits than its factorization.

20103120766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141571346.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 20103120766 its reverse (66702130102), we get a palindrome (86805250868).

The spelling of 20103120766 in words is "twenty billion, one hundred three million, one hundred twenty thousand, seven hundred sixty-six".