276630020 has 12 divisors (see below), whose sum is σ = 580923084. Its totient is φ = 110652000.

The previous prime is 276629981. The next prime is 276630031. The reversal of 276630020 is 20036672.

276630020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 210598144 + 66031876 = 14512^2 + 8126^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6915731 + ... + 6915770.

It is an arithmetic number, because the mean of its divisors is an integer number (48410257).

Almost surely, 2^276630020 is an apocalyptic number.

276630020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

276630020 is an abundant number, since it is smaller than the sum of its proper divisors (304293064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

276630020 is a wasteful number, since it uses less digits than its factorization.

276630020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831510 (or 13831508 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 276630020 is about 16632.1982912663. The cubic root of 276630020 is about 651.5780356506.

Adding to 276630020 its reverse (20036672), we get a palindrome (296666692).

The spelling of 276630020 in words is "two hundred seventy-six million, six hundred thirty thousand, twenty".