1022020122020 has 48 divisors (see below), whose sum is σ = 2204574826608. Its totient is φ = 397700352000.

The previous prime is 1022020122001. The next prime is 1022020122031. The reversal of 1022020122020 is 202210202201.

It can be written as a sum of positive squares in 8 ways, for example, as 184095916096 + 837924205924 = 429064^2 + 915382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022020121986 and 1022020122004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5082104 + ... + 5279376.

It is an arithmetic number, because the mean of its divisors is an integer number (45928642221).

Almost surely, 2^{1022020122020} is an apocalyptic number.

1022020122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022020122020 is an abundant number, since it is smaller than the sum of its proper divisors (1182554704588).

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

1022020122020 is a wasteful number, since it uses less digits than its factorization.

1022020122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204320 (or 204318 counting only the distinct ones).

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

Adding to 1022020122020 its reverse (202210202201), we get a palindrome (1224230324221).

The spelling of 1022020122020 in words is "one trillion, twenty-two billion, twenty million, one hundred twenty-two thousand, twenty".