20116121464120 has 48 divisors (see below), whose sum is σ = 49749994624680. Its totient is φ = 7314953257920.

The previous prime is 20116121464067. The next prime is 20116121464129. The reversal of 20116121464120 is 2146412161102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116121464129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2078106882 + ... + 2078116561.

Almost surely, 2^{20116121464120} is an apocalyptic number.

20116121464120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20116121464120 is an abundant number, since it is smaller than the sum of its proper divisors (29633873160560).

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

20116121464120 is a wasteful number, since it uses less digits than its factorization.

20116121464120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156223476 (or 4156223461 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 20116121464120 in words is "twenty trillion, one hundred sixteen billion, one hundred twenty-one million, four hundred sixty-four thousand, one hundred twenty".