20146121404600 has 48 divisors (see below), whose sum is σ = 47723500824120. Its totient is φ = 7906402358400.

The previous prime is 20146121404543. The next prime is 20146121404613. The reversal of 20146121404600 is 640412164102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950278146 + ... + 950299345.

Almost surely, 2^{20146121404600} is an apocalyptic number.

20146121404600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20146121404600 is an abundant number, since it is smaller than the sum of its proper divisors (27577379419520).

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

20146121404600 is a wasteful number, since it uses less digits than its factorization.

20146121404600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900577560 (or 1900577551 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 20146121404600 its reverse (640412164102), we get a palindrome (20786533568702).

The spelling of 20146121404600 in words is "twenty trillion, one hundred forty-six billion, one hundred twenty-one million, four hundred four thousand, six hundred".