20848288668 has 24 divisors (see below), whose sum is σ = 48671253120. Its totient is φ = 6945822960.

The previous prime is 20848288649. The next prime is 20848288679. The reversal of 20848288668 is 86688284802.

It is a super-3 number, since 3×20848288668³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426688 + ... + 473031.

It is an arithmetic number, because the mean of its divisors is an integer number (2027968880).

Almost surely, 2^20848288668 is an apocalyptic number.

It is an amenable number.

20848288668 is an abundant number, since it is smaller than the sum of its proper divisors (27822964452).

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

20848288668 is a wasteful number, since it uses less digits than its factorization.

20848288668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901657 (or 901655 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 60.

The spelling of 20848288668 in words is "twenty billion, eight hundred forty-eight million, two hundred eighty-eight thousand, six hundred sixty-eight".