20319269468 has 6 divisors (see below), whose sum is σ = 35558721576. Its totient is φ = 10159634732.

The previous prime is 20319269459. The next prime is 20319269473. The reversal of 20319269468 is 86496291302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539908680 + ... + 2539908687.

It is an arithmetic number, because the mean of its divisors is an integer number (5926453596).

Almost surely, 2^20319269468 is an apocalyptic number.

It is an amenable number.

20319269468 is a deficient number, since it is larger than the sum of its proper divisors (15239452108).

20319269468 is a wasteful number, since it uses less digits than its factorization.

20319269468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079817371 (or 5079817369 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 20319269468 in words is "twenty billion, three hundred nineteen million, two hundred sixty-nine thousand, four hundred sixty-eight".