20076471 has 8 divisors (see below), whose sum is σ = 29742960. Its totient is φ = 13384296.

The previous prime is 20076449. The next prime is 20076479. The reversal of 20076471 is 17467002.

It is not a de Polignac number, because 20076471 - 2⁹ = 20075959 is a prime.

It is a super-3 number, since 3×20076471³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 743573 = 20076471 / (2 + 0 + 0 + 7 + 6 + 4 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20076479) 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, 371760 + ... + 371813.

It is an arithmetic number, because the mean of its divisors is an integer number (3717870).

Almost surely, 2^20076471 is an apocalyptic number.

20076471 is a deficient number, since it is larger than the sum of its proper divisors (9666489).

20076471 is an equidigital number, since it uses as much as digits as its factorization.

20076471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743582 (or 743576 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 20076471 is about 4480.6775157335. The cubic root of 20076471 is about 271.7872787150.

The spelling of 20076471 in words is "twenty million, seventy-six thousand, four hundred seventy-one".