22002102021220 has 48 divisors (see below), whose sum is σ = 46447712188416. Its totient is φ = 8754501104000.

The previous prime is 22002102021217. The next prime is 22002102021287. The reversal of 22002102021220 is 2212020120022.

It is a junction number, because it is equal to n+sod(n) for n = 22002102021194 and 22002102021203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173139105 + ... + 173266135.

It is an arithmetic number, because the mean of its divisors is an integer number (967660670592).

Almost surely, 2^{22002102021220} is an apocalyptic number.

22002102021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002102021220 is an abundant number, since it is smaller than the sum of its proper divisors (24445610167196).

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

22002102021220 is a wasteful number, since it uses less digits than its factorization.

22002102021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172572 (or 172570 counting only the distinct ones).

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

Adding to 22002102021220 its reverse (2212020120022), we get a palindrome (24214122141242).

The spelling of 22002102021220 in words is "twenty-two trillion, two billion, one hundred two million, twenty-one thousand, two hundred twenty".