10820137327 has 4 divisors (see below), whose sum is σ = 10821244896. Its totient is φ = 10819029760.

The previous prime is 10820137313. The next prime is 10820137357. The reversal of 10820137327 is 72373102801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72373102801 = 859 ⋅84252739.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10820137327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10820137292 and 10820137301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10820137357) 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, 538999 + ... + 558712.

It is an arithmetic number, because the mean of its divisors is an integer number (2705311224).

Almost surely, 2^10820137327 is an apocalyptic number.

10820137327 is a deficient number, since it is larger than the sum of its proper divisors (1107569).

10820137327 is an equidigital number, since it uses as much as digits as its factorization.

10820137327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107568.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 10820137327 in words is "ten billion, eight hundred twenty million, one hundred thirty-seven thousand, three hundred twenty-seven".