20848097868 has 48 divisors (see below), whose sum is σ = 52927644000. Its totient is φ = 6348662784.

The previous prime is 20848097857. The next prime is 20848097873. The reversal of 20848097868 is 86879084802.

It is a super-2 number, since 2×20848097868² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673743 + ... + 704006.

It is an arithmetic number, because the mean of its divisors is an integer number (1102659250).

Almost surely, 2^20848097868 is an apocalyptic number.

It is an amenable number.

20848097868 is an abundant number, since it is smaller than the sum of its proper divisors (32079546132).

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

20848097868 is a wasteful number, since it uses less digits than its factorization.

20848097868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377866 (or 1377864 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 60.

The spelling of 20848097868 in words is "twenty billion, eight hundred forty-eight million, ninety-seven thousand, eight hundred sixty-eight".