220100211102020 has 24 divisors (see below), whose sum is σ = 482306549546304. Its totient is φ = 84212254682336.

The previous prime is 220100211101989. The next prime is 220100211102029. The reversal of 220100211102020 is 20201112001022.

It is a junction number, because it is equal to n+sod(n) for n = 220100211101986 and 220100211102004.

It is not an unprimeable number, because it can be changed into a prime (220100211102029) 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, 239239359434 + ... + 239239360353.

It is an arithmetic number, because the mean of its divisors is an integer number (20096106231096).

Almost surely, 2^{220100211102020} is an apocalyptic number.

220100211102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220100211102020 is an abundant number, since it is smaller than the sum of its proper divisors (262206338444284).

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

220100211102020 is a wasteful number, since it uses less digits than its factorization.

220100211102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478478719819 (or 478478719817 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220100211102020 its reverse (20201112001022), we get a palindrome (240301323103042).

The spelling of 220100211102020 in words is "two hundred twenty trillion, one hundred billion, two hundred eleven million, one hundred two thousand, twenty".