8019969320 has 32 divisors (see below), whose sum is σ = 19685380320. Its totient is φ = 2916352320.

The previous prime is 8019969313. The next prime is 8019969341. The reversal of 8019969320 is 239699108.

It is a super-3 number, since 3×8019969320³ (a number of 31 digits) contains 333 as substring.

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, 9113162 + ... + 9114041.

It is an arithmetic number, because the mean of its divisors is an integer number (615168135).

Almost surely, 2^8019969320 is an apocalyptic number.

It is an amenable number.

8019969320 is an abundant number, since it is smaller than the sum of its proper divisors (11665411000).

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

8019969320 is a wasteful number, since it uses less digits than its factorization.

8019969320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227225 (or 18227221 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 8019969320 is about 89554.2814163566. The cubic root of 8019969320 is about 2001.6627272859.

The spelling of 8019969320 in words is "eight billion, nineteen million, nine hundred sixty-nine thousand, three hundred twenty".