2220002321020 has 36 divisors (see below), whose sum is σ = 5124352470552. Its totient is φ = 807273570400.

The previous prime is 2220002320951. The next prime is 2220002321023. The reversal of 2220002321020 is 201232000222.

It is a junction number, because it is equal to n+sod(n) for n = 2220002320985 and 2220002321003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220002321023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458675746 + ... + 458680585.

It is an arithmetic number, because the mean of its divisors is an integer number (142343124182).

Almost surely, 2^{2220002321020} is an apocalyptic number.

2220002321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220002321020 is an abundant number, since it is smaller than the sum of its proper divisors (2904350149532).

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

2220002321020 is a wasteful number, since it uses less digits than its factorization.

2220002321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917356362 (or 917356349 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 2220002321020 its reverse (201232000222), we get a palindrome (2421234321242).

The spelling of 2220002321020 in words is "two trillion, two hundred twenty billion, two million, three hundred twenty-one thousand, twenty".