20708014818 has 64 divisors (see below), whose sum is σ = 43601817600. Its totient is φ = 6547884480.

The previous prime is 20708014807. The next prime is 20708014829. The reversal of 20708014818 is 81841080702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20708014807) and next prime (20708014829).

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 31 ways as a sum of consecutive naturals, for example, 4090773 + ... + 4095831.

It is an arithmetic number, because the mean of its divisors is an integer number (681278400).

Almost surely, 2^20708014818 is an apocalyptic number.

20708014818 is an abundant number, since it is smaller than the sum of its proper divisors (22893802782).

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

20708014818 is a wasteful number, since it uses less digits than its factorization.

20708014818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527.

The product of its (nonzero) digits is 28672, while the sum is 39.

The spelling of 20708014818 in words is "twenty billion, seven hundred eight million, fourteen thousand, eight hundred eighteen".