20708330719 has 8 divisors (see below), whose sum is σ = 20742173280. Its totient is φ = 20674515456.

The previous prime is 20708330651. The next prime is 20708330723. The reversal of 20708330719 is 91703380702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20708330719 - 2²³ = 20699942111 is a prime.

It is a super-2 number, since 2×20708330719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20708330729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937839 + ... + 1948495.

It is an arithmetic number, because the mean of its divisors is an integer number (2592771660).

Almost surely, 2^20708330719 is an apocalyptic number.

20708330719 is a deficient number, since it is larger than the sum of its proper divisors (33842561).

20708330719 is a wasteful number, since it uses less digits than its factorization.

20708330719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 20708330719 in words is "twenty billion, seven hundred eight million, three hundred thirty thousand, seven hundred nineteen".