1202000220020 has 24 divisors (see below), whose sum is σ = 2524232424168. Its totient is φ = 480794000000.

The previous prime is 1202000220007. The next prime is 1202000220023. The reversal of 1202000220020 is 200220002021.

It can be written as a sum of positive squares in 4 ways, for example, as 198949897444 + 1003050322576 = 446038^2 + 1001524^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202000219983 and 1202000220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202000220023) 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, 1454270 + ... + 2125770.

It is an arithmetic number, because the mean of its divisors is an integer number (105176351007).

Almost surely, 2^{1202000220020} is an apocalyptic number.

1202000220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202000220020 is an abundant number, since it is smaller than the sum of its proper divisors (1322232204148).

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

1202000220020 is a wasteful number, since it uses less digits than its factorization.

1202000220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761011 (or 761009 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1202000220020 its reverse (200220002021), we get a palindrome (1402220222041).

The spelling of 1202000220020 in words is "one trillion, two hundred two billion, two hundred twenty thousand, twenty".