20113811276 has 12 divisors (see below), whose sum is σ = 37906798272. Its totient is φ = 9283297488.

The previous prime is 20113811233. The next prime is 20113811281. The reversal of 20113811276 is 67211831102.

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, 193401980 + ... + 193402083.

It is an arithmetic number, because the mean of its divisors is an integer number (3158899856).

Almost surely, 2^20113811276 is an apocalyptic number.

20113811276 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20113811276 is a deficient number, since it is larger than the sum of its proper divisors (17792986996).

20113811276 is a wasteful number, since it uses less digits than its factorization.

20113811276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386804080 (or 386804078 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 20113811276 in words is "twenty billion, one hundred thirteen million, eight hundred eleven thousand, two hundred seventy-six".