201220220102020 has 96 divisors (see below), whose sum is σ = 507771093070080. Its totient is φ = 65518850557440.

The previous prime is 201220220101973. The next prime is 201220220102023. The reversal of 201220220102020 is 20201022022102.

201220220102020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201220220101985 and 201220220102003.

It is not an unprimeable number, because it can be changed into a prime (201220220102023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405995214 + ... + 406490533.

It is an arithmetic number, because the mean of its divisors is an integer number (5289282219480).

Almost surely, 2^{201220220102020} is an apocalyptic number.

201220220102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220220102020 is an abundant number, since it is smaller than the sum of its proper divisors (306550872968060).

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

201220220102020 is a wasteful number, since it uses less digits than its factorization.

201220220102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812485853 (or 812485851 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 201220220102020 its reverse (20201022022102), we get a palindrome (221421242124122).

The spelling of 201220220102020 in words is "two hundred one trillion, two hundred twenty billion, two hundred twenty million, one hundred two thousand, twenty".