20012011112120 has 32 divisors (see below), whose sum is σ = 45030118615920. Its totient is φ = 8004254469120.

The previous prime is 20012011112099. The next prime is 20012011112147. The reversal of 20012011112120 is 2121111021002.

It is a super-2 number, since 2×20012011112120² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20012011112095 and 20012011112104.

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 7 ways as a sum of consecutive naturals, for example, 16597022 + ... + 17761901.

Almost surely, 2^{20012011112120} is an apocalyptic number.

20012011112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012011112120 is an abundant number, since it is smaller than the sum of its proper divisors (25018107503800).

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

20012011112120 is a wasteful number, since it uses less digits than its factorization.

20012011112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34373495 (or 34373491 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20012011112120 its reverse (2121111021002), we get a palindrome (22133122133122).

The spelling of 20012011112120 in words is "twenty trillion, twelve billion, eleven million, one hundred twelve thousand, one hundred twenty".