10020002122220 has 24 divisors (see below), whose sum is σ = 21117968383344. Its totient is φ = 3993531529536.

The previous prime is 10020002122213. The next prime is 10020002122223. The reversal of 10020002122220 is 2222120002001.

It is a junction number, because it is equal to n+sod(n) for n = 10020002122195 and 10020002122204.

It is not an unprimeable number, because it can be changed into a prime (10020002122223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904326782 + ... + 904337861.

It is an arithmetic number, because the mean of its divisors is an integer number (879915349306).

Almost surely, 2^{10020002122220} is an apocalyptic number.

10020002122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020002122220 is an abundant number, since it is smaller than the sum of its proper divisors (11097966261124).

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

10020002122220 is a wasteful number, since it uses less digits than its factorization.

10020002122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808664929 (or 1808664927 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10020002122220 its reverse (2222120002001), we get a palindrome (12242122124221).

The spelling of 10020002122220 in words is "ten trillion, twenty billion, two million, one hundred twenty-two thousand, two hundred twenty".