20002102011120 has 80 divisors (see below), whose sum is σ = 62031016939392. Its totient is φ = 5331786282240.

The previous prime is 20002102011113. The next prime is 20002102011121. The reversal of 20002102011120 is 2111020120002.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 20002102011096 and 20002102011105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002102011121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15856822 + ... + 17071701.

Almost surely, 2^{20002102011120} is an apocalyptic number.

20002102011120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002102011120 is an abundant number, since it is smaller than the sum of its proper divisors (42028914928272).

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

20002102011120 is a wasteful number, since it uses less digits than its factorization.

20002102011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32931070 (or 32931064 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20002102011120 its reverse (2111020120002), we get a palindrome (22113122131122).

The spelling of 20002102011120 in words is "twenty trillion, two billion, one hundred two million, eleven thousand, one hundred twenty".