20413154065466 has 16 divisors (see below), whose sum is σ = 30736862982144. Its totient is φ = 10167534857424.

The previous prime is 20413154065463. The next prime is 20413154065477. The reversal of 20413154065466 is 66456045131402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413154065466.

It is not an unprimeable number, because it can be changed into a prime (20413154065463) 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, 23679440 + ... + 24526356.

It is an arithmetic number, because the mean of its divisors is an integer number (1921053936384).

Almost surely, 2^{20413154065466} is an apocalyptic number.

20413154065466 is a deficient number, since it is larger than the sum of its proper divisors (10323708916678).

20413154065466 is a wasteful number, since it uses less digits than its factorization.

20413154065466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893005.

The product of its (nonzero) digits is 2073600, while the sum is 47.

Adding to 20413154065466 its reverse (66456045131402), we get a palindrome (86869199196868).

The spelling of 20413154065466 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, sixty-five thousand, four hundred sixty-six".