220201002021 has 192 divisors, whose sum is σ = 410099521536. Its totient is φ = 101977574400.

The previous prime is 220201002013. The next prime is 220201002089. The reversal of 220201002021 is 120200102022.

It is not a de Polignac number, because 220201002021 - 2³ = 220201002013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220201001988 and 220201002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201001021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 226777066 + ... + 226778036.

It is an arithmetic number, because the mean of its divisors is an integer number (2135935008).

Almost surely, 2^220201002021 is an apocalyptic number.

220201002021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220201002021 is a deficient number, since it is larger than the sum of its proper divisors (189898519515).

220201002021 is a wasteful number, since it uses less digits than its factorization.

220201002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220201002021 its reverse (120200102022), we get a palindrome (340401104043).

The spelling of 220201002021 in words is "two hundred twenty billion, two hundred one million, two thousand, twenty-one".