10020222221020 has 48 divisors (see below), whose sum is σ = 22963327123968. Its totient is φ = 3642461783360.

The previous prime is 10020222220999. The next prime is 10020222221021. The reversal of 10020222221020 is 2012222202001.

It is a junction number, because it is equal to n+sod(n) for n = 10020222220985 and 10020222221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020222221021) 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, 7206064 + ... + 8483383.

It is an arithmetic number, because the mean of its divisors is an integer number (478402648416).

Almost surely, 2^{10020222221020} is an apocalyptic number.

10020222221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020222221020 is an abundant number, since it is smaller than the sum of its proper divisors (12943104902948).

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

10020222221020 is a wasteful number, since it uses less digits than its factorization.

10020222221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15692370 (or 15692368 counting only the distinct ones).

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

Adding to 10020222221020 its reverse (2012222202001), we get a palindrome (12032444423021).

The spelling of 10020222221020 in words is "ten trillion, twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty".