10820604631 has 8 divisors (see below), whose sum is σ = 10853460864. Its totient is φ = 10787799480.

The previous prime is 10820604611. The next prime is 10820604659. The reversal of 10820604631 is 13640602801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10820604631 - 2¹³ = 10820596439 is a prime.

It is a super-2 number, since 2×10820604631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10820604593 and 10820604602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10820604611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434976 + ... + 459178.

It is an arithmetic number, because the mean of its divisors is an integer number (1356682608).

Almost surely, 2^10820604631 is an apocalyptic number.

10820604631 is a deficient number, since it is larger than the sum of its proper divisors (32856233).

10820604631 is an equidigital number, since it uses as much as digits as its factorization.

10820604631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25541.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 10820604631 in words is "ten billion, eight hundred twenty million, six hundred four thousand, six hundred thirty-one".