1202200011020 has 24 divisors (see below), whose sum is σ = 2524678060464. Its totient is φ = 480868949696.

The previous prime is 1202200011017. The next prime is 1202200011037. The reversal of 1202200011020 is 201100022021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202200010992 and 1202200011010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230822 + ... + 1567698.

It is an arithmetic number, because the mean of its divisors is an integer number (105194919186).

Almost surely, 2^{1202200011020} is an apocalyptic number.

1202200011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202200011020 is an abundant number, since it is smaller than the sum of its proper divisors (1322478049444).

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

1202200011020 is a wasteful number, since it uses less digits than its factorization.

1202200011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381849 (or 1381847 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1202200011020 its reverse (201100022021), we get a palindrome (1403300033041).

The spelling of 1202200011020 in words is "one trillion, two hundred two billion, two hundred million, eleven thousand, twenty".