220020010101 has 40 divisors (see below), whose sum is σ = 332960249600. Its totient is φ = 144767619360.

The previous prime is 220020010097. The next prime is 220020010153. The reversal of 220020010101 is 101010020022.

It is not a de Polignac number, because 220020010101 - 2² = 220020010097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020010181) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22769211 + ... + 22778871.

It is an arithmetic number, because the mean of its divisors is an integer number (8324006240).

Almost surely, 2^220020010101 is an apocalyptic number.

It is an amenable number.

220020010101 is a deficient number, since it is larger than the sum of its proper divisors (112940239499).

220020010101 is an equidigital number, since it uses as much as digits as its factorization.

220020010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311 (or 13302 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 220020010101 its reverse (101010020022), we get a palindrome (321030030123).

It can be divided in two parts, 2200 and 20010101, that added together give a triangular number (20012301 = T₆₃₂₆).

The spelling of 220020010101 in words is "two hundred twenty billion, twenty million, ten thousand, one hundred one".