202021010110220 has 48 divisors (see below), whose sum is σ = 489381736677120. Its totient is φ = 68617015978944.

The previous prime is 202021010110189. The next prime is 202021010110247. The reversal of 202021010110220 is 22011010120202.

It is a super-2 number, since 2×202021010110220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 202021010110195 and 202021010110204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6743009390 + ... + 6743039349.

It is an arithmetic number, because the mean of its divisors is an integer number (10195452847440).

Almost surely, 2^{202021010110220} is an apocalyptic number.

202021010110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021010110220 is an abundant number, since it is smaller than the sum of its proper divisors (287360726566900).

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

202021010110220 is a wasteful number, since it uses less digits than its factorization.

202021010110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486048862 (or 13486048860 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202021010110220 its reverse (22011010120202), we get a palindrome (224032020230422).

The spelling of 202021010110220 in words is "two hundred two trillion, twenty-one billion, ten million, one hundred ten thousand, two hundred twenty".