1202200220020 has 12 divisors (see below), whose sum is σ = 2524620462084. Its totient is φ = 480880088000.

The previous prime is 1202200219999. The next prime is 1202200220027. The reversal of 1202200220020 is 200220022021.

It can be written as a sum of positive squares in 2 ways, for example, as 410078859876 + 792121360144 = 640374^2 + 890012^2 .

It is a super-2 number, since 2×1202200220020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202200220027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30055005481 + ... + 30055005520.

It is an arithmetic number, because the mean of its divisors is an integer number (210385038507).

Almost surely, 2^{1202200220020} is an apocalyptic number.

1202200220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202200220020 is an abundant number, since it is smaller than the sum of its proper divisors (1322420242064).

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

1202200220020 is a wasteful number, since it uses less digits than its factorization.

1202200220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60110011010 (or 60110011008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1202200220020 its reverse (200220022021), we get a palindrome (1402420242041).

The spelling of 1202200220020 in words is "one trillion, two hundred two billion, two hundred million, two hundred twenty thousand, twenty".