20068424919 has 8 divisors (see below), whose sum is σ = 29730999920. Its totient is φ = 13378949928.

The previous prime is 20068424917. The next prime is 20068424921. The reversal of 20068424919 is 91942486002.

20068424919 is a `hidden beast` number, since 200 + 6 + 8 + 424 + 9 + 19 = 666.

It is an interprime number because it is at equal distance from previous prime (20068424917) and next prime (20068424921).

It is not a de Polignac number, because 20068424919 - 2¹ = 20068424917 is a prime.

It is a super-2 number, since 2×20068424919² (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 (20068424917) 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, 371637472 + ... + 371637525.

It is an arithmetic number, because the mean of its divisors is an integer number (3716374990).

Almost surely, 2^20068424919 is an apocalyptic number.

20068424919 is a deficient number, since it is larger than the sum of its proper divisors (9662575001).

20068424919 is an equidigital number, since it uses as much as digits as its factorization.

20068424919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743275006 (or 743275000 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 20068424919 in words is "twenty billion, sixty-eight million, four hundred twenty-four thousand, nine hundred nineteen".