20675156096 has 64 divisors (see below), whose sum is σ = 47098687680. Its totient is φ = 8855927808.

The previous prime is 20675156081. The next prime is 20675156149. The reversal of 20675156096 is 69065157602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×20675156096² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20675156096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1977635 + ... + 1988061.

It is an arithmetic number, because the mean of its divisors is an integer number (735916995).

Almost surely, 2^20675156096 is an apocalyptic number.

It is an amenable number.

20675156096 is an abundant number, since it is smaller than the sum of its proper divisors (26423531584).

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

20675156096 is a wasteful number, since it uses less digits than its factorization.

20675156096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12661 (or 12649 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 20675156096 in words is "twenty billion, six hundred seventy-five million, one hundred fifty-six thousand, ninety-six".