1201020222020 has 48 divisors (see below), whose sum is σ = 2545048453248. Its totient is φ = 476047004160.

The previous prime is 1201020221971. The next prime is 1201020222049. The reversal of 1201020222020 is 202220201021.

It is a super-3 number, since 3×1201020222020³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201020221986 and 1201020222004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10126865 + ... + 10244775.

It is an arithmetic number, because the mean of its divisors is an integer number (53021842776).

Almost surely, 2^{1201020222020} is an apocalyptic number.

1201020222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201020222020 is an abundant number, since it is smaller than the sum of its proper divisors (1344028231228).

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

1201020222020 is a wasteful number, since it uses less digits than its factorization.

1201020222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122540 (or 122538 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1201020222020 its reverse (202220201021), we get a palindrome (1403240423041).

The spelling of 1201020222020 in words is "one trillion, two hundred one billion, twenty million, two hundred twenty-two thousand, twenty".