20413164635 has 4 divisors (see below), whose sum is σ = 24495797568. Its totient is φ = 16330531704.

The previous prime is 20413164601. The next prime is 20413164713. The reversal of 20413164635 is 53646131402.

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 20413164635 - 2¹² = 20413160539 is a prime.

It is a super-2 number, since 2×20413164635² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413164595 and 20413164604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041316459 + ... + 2041316468.

It is an arithmetic number, because the mean of its divisors is an integer number (6123949392).

Almost surely, 2^20413164635 is an apocalyptic number.

20413164635 is a deficient number, since it is larger than the sum of its proper divisors (4082632933).

20413164635 is an equidigital number, since it uses as much as digits as its factorization.

20413164635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082632932.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 20413164635 in words is "twenty billion, four hundred thirteen million, one hundred sixty-four thousand, six hundred thirty-five".