220021110020010 has 96 divisors (see below), whose sum is σ = 571885973265600. Its totient is φ = 54150378906624.

The previous prime is 220021110020009. The next prime is 220021110020027. The reversal of 220021110020010 is 10020011120022.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28255141 + ... + 35190839.

It is an arithmetic number, because the mean of its divisors is an integer number (5957145554850).

Almost surely, 2^{220021110020010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220021110020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285942986632800).

220021110020010 is an abundant number, since it is smaller than the sum of its proper divisors (351864863245590).

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

220021110020010 is a wasteful number, since it uses less digits than its factorization.

220021110020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941992 (or 6941979 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220021110020010 its reverse (10020011120022), we get a palindrome (230041121140032).

The spelling of 220021110020010 in words is "two hundred twenty trillion, twenty-one billion, one hundred ten million, twenty thousand, ten".