20411012555146 has 8 divisors (see below), whose sum is σ = 30616541650080. Its totient is φ = 10205498671788.

The previous prime is 20411012555093. The next prime is 20411012555177. The reversal of 20411012555146 is 64155521011402.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 546525 + ... + 6412543.

It is an arithmetic number, because the mean of its divisors is an integer number (3827067706260).

Almost surely, 2^{20411012555146} is an apocalyptic number.

20411012555146 is a deficient number, since it is larger than the sum of its proper divisors (10205529094934).

20411012555146 is a wasteful number, since it uses less digits than its factorization.

20411012555146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605788.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 20411012555146 its reverse (64155521011402), we get a palindrome (84566533566548).

The spelling of 20411012555146 in words is "twenty trillion, four hundred eleven billion, twelve million, five hundred fifty-five thousand, one hundred forty-six".