20053375471 has 4 divisors (see below), whose sum is σ = 20056543312. Its totient is φ = 20050207632.

The previous prime is 20053375427. The next prime is 20053375513. The reversal of 20053375471 is 17457335002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20053375471 - 2¹⁷ = 20053244399 is a prime.

It is a super-3 number, since 3×20053375471³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20053375471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053375871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574406 + ... + 1587091.

It is an arithmetic number, because the mean of its divisors is an integer number (5014135828).

Almost surely, 2^20053375471 is an apocalyptic number.

20053375471 is a deficient number, since it is larger than the sum of its proper divisors (3167841).

20053375471 is an equidigital number, since it uses as much as digits as its factorization.

20053375471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167840.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 20053375471 in words is "twenty billion, fifty-three million, three hundred seventy-five thousand, four hundred seventy-one".