220111012000020 has 48 divisors (see below), whose sum is σ = 616311799669440. Its totient is φ = 58696177860096.

The previous prime is 220111011999971. The next prime is 220111012000043. The reversal of 220111012000020 is 20000210111022.

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

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, 41340796 + ... + 46360364.

It is an arithmetic number, because the mean of its divisors is an integer number (12839829159780).

Almost surely, 2^{220111012000020} is an apocalyptic number.

220111012000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111012000020 is an abundant number, since it is smaller than the sum of its proper divisors (396200787669420).

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

220111012000020 is a wasteful number, since it uses less digits than its factorization.

220111012000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5750424 (or 5750422 counting only the distinct ones).

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

Adding to 220111012000020 its reverse (20000210111022), we get a palindrome (240111222111042).

The spelling of 220111012000020 in words is "two hundred twenty trillion, one hundred eleven billion, twelve million, twenty", and thus it is an aban number.