20110112001020 has 24 divisors (see below), whose sum is σ = 42250318546464. Its totient is φ = 8040409877696.

The previous prime is 20110112001011. The next prime is 20110112001059. The reversal of 20110112001020 is 2010021101102.

It is a junction number, because it is equal to n+sod(n) for n = 20110112000992 and 20110112001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227137304 + ... + 227225823.

It is an arithmetic number, because the mean of its divisors is an integer number (1760429939436).

Almost surely, 2^{20110112001020} is an apocalyptic number.

20110112001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110112001020 is an abundant number, since it is smaller than the sum of its proper divisors (22140206545444).

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

20110112001020 is a wasteful number, since it uses less digits than its factorization.

20110112001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454365349 (or 454365347 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20110112001020 its reverse (2010021101102), we get a palindrome (22120133102122).

The spelling of 20110112001020 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, one thousand, twenty".