20476235302475 has 6 divisors (see below), whose sum is σ = 25390531775100. Its totient is φ = 16380988241960.

The previous prime is 20476235302421. The next prime is 20476235302603. The reversal of 20476235302475 is 57420353267402.

It is a de Polignac number, because none of the positive numbers 2^k-20476235302475 is a prime.

It is a super-2 number, since 2×20476235302475² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409524706025 + ... + 409524706074.

It is an arithmetic number, because the mean of its divisors is an integer number (4231755295850).

Almost surely, 2^{20476235302475} is an apocalyptic number.

20476235302475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20476235302475 is a deficient number, since it is larger than the sum of its proper divisors (4914296472625).

20476235302475 is an equidigital number, since it uses as much as digits as its factorization.

20476235302475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819049412109 (or 819049412104 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 50.

Adding to 20476235302475 its reverse (57420353267402), we get a palindrome (77896588569877).

The spelling of 20476235302475 in words is "twenty trillion, four hundred seventy-six billion, two hundred thirty-five million, three hundred two thousand, four hundred seventy-five".