210220002221020 has 48 divisors (see below), whose sum is σ = 482648732602848. Its totient is φ = 76276364405760.

The previous prime is 210220002221011. The next prime is 210220002221029. The reversal of 210220002221020 is 20122200022012.

It is an interprime number because it is at equal distance from previous prime (210220002221011) and next prime (210220002221029).

It is a junction number, because it is equal to n+sod(n) for n = 210220002220985 and 210220002221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220002221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045354017 + ... + 1045555096.

It is an arithmetic number, because the mean of its divisors is an integer number (10055181929226).

Almost surely, 2^{210220002221020} is an apocalyptic number.

210220002221020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220002221020 is an abundant number, since it is smaller than the sum of its proper divisors (272428730381828).

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

210220002221020 is a wasteful number, since it uses less digits than its factorization.

210220002221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090909590 (or 2090909588 counting only the distinct ones).

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

Adding to 210220002221020 its reverse (20122200022012), we get a palindrome (230342202243032).

The spelling of 210220002221020 in words is "two hundred ten trillion, two hundred twenty billion, two million, two hundred twenty-one thousand, twenty".