20632407475 has 12 divisors (see below), whose sum is σ = 25605142416. Its totient is φ = 16492405280.

The previous prime is 20632407469. The next prime is 20632407479. The reversal of 20632407475 is 57470423602.

It is a happy number.

It is not a de Polignac number, because 20632407475 - 2⁵ = 20632407443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20632407479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306832 + ... + 367981.

It is an arithmetic number, because the mean of its divisors is an integer number (2133761868).

Almost surely, 2^20632407475 is an apocalyptic number.

20632407475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20632407475 is a deficient number, since it is larger than the sum of its proper divisors (4972734941).

20632407475 is a wasteful number, since it uses less digits than its factorization.

20632407475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676046 (or 676041 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 20632407475 in words is "twenty billion, six hundred thirty-two million, four hundred seven thousand, four hundred seventy-five".