20330276276 has 6 divisors (see below), whose sum is σ = 35577983490. Its totient is φ = 10165138136.

The previous prime is 20330276257. The next prime is 20330276297. The reversal of 20330276276 is 67267203302.

It can be written as a sum of positive squares in only one way, i.e., 16121380900 + 4208895376 = 126970^2 + 64876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2541284531 + ... + 2541284538.

It is an arithmetic number, because the mean of its divisors is an integer number (5929663915).

Almost surely, 2^20330276276 is an apocalyptic number.

It is an amenable number.

20330276276 is a deficient number, since it is larger than the sum of its proper divisors (15247707214).

20330276276 is a wasteful number, since it uses less digits than its factorization.

20330276276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5082569073 (or 5082569071 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

Adding to 20330276276 its reverse (67267203302), we get a palindrome (87597479578).

The spelling of 20330276276 in words is "twenty billion, three hundred thirty million, two hundred seventy-six thousand, two hundred seventy-six".