20028082471 has 8 divisors (see below), whose sum is σ = 20200888224. Its totient is φ = 19855662720.

The previous prime is 20028082447. The next prime is 20028082511. The reversal of 20028082471 is 17428082002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20028082471 - 2¹⁵ = 20028049703 is a prime.

It is a super-3 number, since 3×20028082471³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20028092471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8206 + ... + 200308.

It is an arithmetic number, because the mean of its divisors is an integer number (2525111028).

Almost surely, 2^20028082471 is an apocalyptic number.

20028082471 is a deficient number, since it is larger than the sum of its proper divisors (172805753).

20028082471 is a wasteful number, since it uses less digits than its factorization.

20028082471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193001.

The product of its (nonzero) digits is 14336, while the sum is 34.

The spelling of 20028082471 in words is "twenty billion, twenty-eight million, eighty-two thousand, four hundred seventy-one".