20027408216 has 8 divisors (see below), whose sum is σ = 37551390420. Its totient is φ = 10013704104.

The previous prime is 20027408201. The next prime is 20027408281. The reversal of 20027408216 is 61280472002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×20027408216³ (a number of 32 digits) contains 333 as substring.

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, 1251713006 + ... + 1251713021.

Almost surely, 2^20027408216 is an apocalyptic number.

It is an amenable number.

20027408216 is a deficient number, since it is larger than the sum of its proper divisors (17523982204).

20027408216 is a wasteful number, since it uses less digits than its factorization.

20027408216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503426033 (or 2503426029 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 20027408216 in words is "twenty billion, twenty-seven million, four hundred eight thousand, two hundred sixteen".