20069697012 has 24 divisors (see below), whose sum is σ = 46837088256. Its totient is φ = 6688785408.

The previous prime is 20069696947. The next prime is 20069697031. The reversal of 20069697012 is 21079696002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62413 + ... + 209844.

It is an arithmetic number, because the mean of its divisors is an integer number (1951545344).

Almost surely, 2^20069697012 is an apocalyptic number.

It is an amenable number.

20069697012 is an abundant number, since it is smaller than the sum of its proper divisors (26767391244).

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

20069697012 is a wasteful number, since it uses less digits than its factorization.

20069697012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278407 (or 278405 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 20069697012 in words is "twenty billion, sixty-nine million, six hundred ninety-seven thousand, twelve".