20708330718 has 16 divisors (see below), whose sum is σ = 42536031120. Its totient is φ = 6716215296.

The previous prime is 20708330651. The next prime is 20708330723. The reversal of 20708330718 is 81703380702.

It is a super-2 number, since 2×20708330718² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 46640163 + ... + 46640606.

It is an arithmetic number, because the mean of its divisors is an integer number (2658501945).

Almost surely, 2^20708330718 is an apocalyptic number.

20708330718 is an abundant number, since it is smaller than the sum of its proper divisors (21827700402).

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

20708330718 is a wasteful number, since it uses less digits than its factorization.

20708330718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93280811.

The product of its (nonzero) digits is 56448, while the sum is 39.

The spelling of 20708330718 in words is "twenty billion, seven hundred eight million, three hundred thirty thousand, seven hundred eighteen".