220020210001020 has 192 divisors, whose sum is σ = 732920294615040. Its totient is φ = 48612060057600.

The previous prime is 220020210000971. The next prime is 220020210001027. The reversal of 220020210001020 is 20100012020022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220020210000987 and 220020210001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020210001027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 161622061 + ... + 162977700.

It is an arithmetic number, because the mean of its divisors is an integer number (3817293201120).

Almost surely, 2^{220020210001020} is an apocalyptic number.

220020210001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020210001020 is an abundant number, since it is smaller than the sum of its proper divisors (512900084614020).

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

220020210001020 is a wasteful number, since it uses less digits than its factorization.

220020210001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324599876 (or 324599874 counting only the distinct ones).

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

Adding to 220020210001020 its reverse (20100012020022), we get a palindrome (240120222021042).

The spelling of 220020210001020 in words is "two hundred twenty trillion, twenty billion, two hundred ten million, one thousand, twenty".