220100312020 has 24 divisors (see below), whose sum is σ = 462281357664. Its totient is φ = 88026657696.

The previous prime is 220100312011. The next prime is 220100312039. The reversal of 220100312020 is 20213001022.

220100312020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707154 + ... + 969673.

It is an arithmetic number, because the mean of its divisors is an integer number (19261723236).

Almost surely, 2^220100312020 is an apocalyptic number.

220100312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220100312020 is an abundant number, since it is smaller than the sum of its proper divisors (242181045644).

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

220100312020 is a wasteful number, since it uses less digits than its factorization.

220100312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683399 (or 1683397 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220100312020 its reverse (20213001022), we get a palindrome (240313313042).

The spelling of 220100312020 in words is "two hundred twenty billion, one hundred million, three hundred twelve thousand, twenty".