20112014123220 has 48 divisors (see below), whose sum is σ = 56566167114240. Its totient is φ = 5339153521536.

The previous prime is 20112014123213. The next prime is 20112014123269. The reversal of 20112014123220 is 2232141021102.

It is a happy number.

It is a super-2 number, since 2×20112014123220² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 751556655 + ... + 751583414.

It is an arithmetic number, because the mean of its divisors is an integer number (1178461814880).

Almost surely, 2^{20112014123220} is an apocalyptic number.

20112014123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112014123220 is an abundant number, since it is smaller than the sum of its proper divisors (36454152991020).

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

20112014123220 is a wasteful number, since it uses less digits than its factorization.

20112014123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503140304 (or 1503140302 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20112014123220 its reverse (2232141021102), we get a palindrome (22344155144322).

The spelling of 20112014123220 in words is "twenty trillion, one hundred twelve billion, fourteen million, one hundred twenty-three thousand, two hundred twenty".