2010111220020 has 96 divisors (see below), whose sum is σ = 5814871695360. Its totient is φ = 518291786880.

The previous prime is 2010111220009. The next prime is 2010111220043. The reversal of 2010111220020 is 200221110102.

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 = 2010111219978 and 2010111220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1698561 + ... + 2627799.

It is an arithmetic number, because the mean of its divisors is an integer number (60571580160).

Almost surely, 2^{2010111220020} is an apocalyptic number.

2010111220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010111220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907435847680).

2010111220020 is an abundant number, since it is smaller than the sum of its proper divisors (3804760475340).

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

2010111220020 is a wasteful number, since it uses less digits than its factorization.

2010111220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930445 (or 930443 counting only the distinct ones).

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

Adding to 2010111220020 its reverse (200221110102), we get a palindrome (2210332330122).

The spelling of 2010111220020 in words is "two trillion, ten billion, one hundred eleven million, two hundred twenty thousand, twenty".