1202322202020 has 144 divisors (see below), whose sum is σ = 3694813973760. Its totient is φ = 316423231488.

The previous prime is 1202322202001. The next prime is 1202322202057. The reversal of 1202322202020 is 202022232021.

1202322202020 is a `hidden beast` number, since 12 + 0 + 232 + 220 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1202322201984 and 1202322202002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35063604 + ... + 35097876.

Almost surely, 2^{1202322202020} is an apocalyptic number.

1202322202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202322202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847406986880).

1202322202020 is an abundant number, since it is smaller than the sum of its proper divisors (2492491771740).

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

1202322202020 is a wasteful number, since it uses less digits than its factorization.

1202322202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36834 (or 36829 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1202322202020 its reverse (202022232021), we get a palindrome (1404344434041).

The spelling of 1202322202020 in words is "one trillion, two hundred two billion, three hundred twenty-two million, two hundred two thousand, twenty".