10820862084172 has 24 divisors (see below), whose sum is σ = 21666123005184. Its totient is φ = 4632283999632.

The previous prime is 10820862084163. The next prime is 10820862084203. The reversal of 10820862084172 is 27148026802801.

It is a super-2 number, since 2×10820862084172² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217821478 + ... + 217871149.

It is an arithmetic number, because the mean of its divisors is an integer number (902755125216).

Almost surely, 2^{10820862084172} is an apocalyptic number.

It is an amenable number.

10820862084172 is an abundant number, since it is smaller than the sum of its proper divisors (10845260921012).

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

10820862084172 is a wasteful number, since it uses less digits than its factorization.

10820862084172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435693525 (or 435693523 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

Adding to 10820862084172 its reverse (27148026802801), we get a palindrome (37968888886973).

The spelling of 10820862084172 in words is "ten trillion, eight hundred twenty billion, eight hundred sixty-two million, eighty-four thousand, one hundred seventy-two".