69080020320 has 48 divisors (see below), whose sum is σ = 217602065520. Its totient is φ = 18421338624.

The previous prime is 69080020313. The next prime is 69080020337. The reversal of 69080020320 is 2302008096.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×69080020320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71957875 + ... + 71958834.

It is an arithmetic number, because the mean of its divisors is an integer number (4533376365).

Almost surely, 2^69080020320 is an apocalyptic number.

69080020320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69080020320 is an abundant number, since it is smaller than the sum of its proper divisors (148522045200).

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

69080020320 is a wasteful number, since it uses less digits than its factorization.

69080020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143916727 (or 143916719 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 69080020320 in words is "sixty-nine billion, eighty million, twenty thousand, three hundred twenty".