2011212020020 has 48 divisors (see below), whose sum is σ = 4826990689920. Its totient is φ = 689546715264.

The previous prime is 2011212020011. The next prime is 2011212020071. The reversal of 2011212020020 is 200202121102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13954767 + ... + 14098153.

It is an arithmetic number, because the mean of its divisors is an integer number (100562306040).

Almost surely, 2^{2011212020020} is an apocalyptic number.

2011212020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011212020020 is an abundant number, since it is smaller than the sum of its proper divisors (2815778669900).

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

2011212020020 is a wasteful number, since it uses less digits than its factorization.

2011212020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243592 (or 243590 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2011212020020 its reverse (200202121102), we get a palindrome (2211414141122).

The spelling of 2011212020020 in words is "two trillion, eleven billion, two hundred twelve million, twenty thousand, twenty".