220111010210020 has 24 divisors (see below), whose sum is σ = 462235568022144. Its totient is φ = 88043938068576.

The previous prime is 220111010209991. The next prime is 220111010210027. The reversal of 220111010210020 is 20012010111022.

It is not an unprimeable number, because it can be changed into a prime (220111010210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25240252 + ... + 32822131.

It is an arithmetic number, because the mean of its divisors is an integer number (19259815334256).

Almost surely, 2^{220111010210020} is an apocalyptic number.

220111010210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111010210020 is an abundant number, since it is smaller than the sum of its proper divisors (242124557812124).

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

220111010210020 is a wasteful number, since it uses less digits than its factorization.

220111010210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58251939 (or 58251937 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220111010210020 its reverse (20012010111022), we get a palindrome (240123020321042).

The spelling of 220111010210020 in words is "two hundred twenty trillion, one hundred eleven billion, ten million, two hundred ten thousand, twenty".