1202102200020 has 24 divisors (see below), whose sum is σ = 3365886160224. Its totient is φ = 320560586656.

The previous prime is 1202102200009. The next prime is 1202102200037. The reversal of 1202102200020 is 200022012021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1202102199969 and 1202102200005.

It is a congruent number.

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, 10017518274 + ... + 10017518393.

It is an arithmetic number, because the mean of its divisors is an integer number (140245256676).

Almost surely, 2^{1202102200020} is an apocalyptic number.

1202102200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202102200020 is an abundant number, since it is smaller than the sum of its proper divisors (2163783960204).

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

1202102200020 is a wasteful number, since it uses less digits than its factorization.

1202102200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035036679 (or 20035036677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1202102200020 its reverse (200022012021), we get a palindrome (1402124212041).

The spelling of 1202102200020 in words is "one trillion, two hundred two billion, one hundred two million, two hundred thousand, twenty".