20021110011120 has 40 divisors (see below), whose sum is σ = 62065441035216. Its totient is φ = 5338962669568.

The previous prime is 20021110011101. The next prime is 20021110011151. The reversal of 20021110011120 is 2111001112002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20021110011096 and 20021110011105.

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, 41710645617 + ... + 41710646096.

Almost surely, 2^{20021110011120} is an apocalyptic number.

20021110011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20021110011120 is an abundant number, since it is smaller than the sum of its proper divisors (42044331024096).

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

20021110011120 is a wasteful number, since it uses less digits than its factorization.

20021110011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83421291729 (or 83421291723 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20021110011120 its reverse (2111001112002), we get a palindrome (22132111123122).

The spelling of 20021110011120 in words is "twenty trillion, twenty-one billion, one hundred ten million, eleven thousand, one hundred twenty".