10820465387 has 2 divisors, whose sum is σ = 10820465388. Its totient is φ = 10820465386.

The previous prime is 10820465353. The next prime is 10820465389. The reversal of 10820465387 is 78356402801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10820465387 - 2²⁴ = 10803688171 is a prime.

Together with 10820465389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10820465389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5410232693 + 5410232694.

It is an arithmetic number, because the mean of its divisors is an integer number (5410232694).

Almost surely, 2^10820465387 is an apocalyptic number.

10820465387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10820465387 is an equidigital number, since it uses as much as digits as its factorization.

10820465387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 10820465387 in words is "ten billion, eight hundred twenty million, four hundred sixty-five thousand, three hundred eighty-seven".