20413154464146 has 96 divisors (see below), whose sum is σ = 47343705552000. Its totient is φ = 6344864596224.

The previous prime is 20413154464127. The next prime is 20413154464147. The reversal of 20413154464146 is 64146445131402.

It is a happy number.

20413154464146 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 3 + 1 + 544 + 64 + 1 + 46 = 666.

It is not an unprimeable number, because it can be changed into a prime (20413154464147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3111486 + ... + 7106873.

It is an arithmetic number, because the mean of its divisors is an integer number (493163599500).

Almost surely, 2^{20413154464146} is an apocalyptic number.

20413154464146 is an abundant number, since it is smaller than the sum of its proper divisors (26930551087854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20413154464146 is a wasteful number, since it uses less digits than its factorization.

20413154464146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10218528 (or 10218525 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

Adding to 20413154464146 its reverse (64146445131402), we get a palindrome (84559599595548).

The spelling of 20413154464146 in words is "twenty trillion, four hundred thirteen billion, one hundred fifty-four million, four hundred sixty-four thousand, one hundred forty-six".