1320221610050 has 96 divisors (see below), whose sum is σ = 2884359198720. Its totient is φ = 440246664000.

The previous prime is 1320221609957. The next prime is 1320221610101. The reversal of 1320221610050 is 500161220231.

It is a super-2 number, since 2×1320221610050² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1320221609998 and 1320221610025.

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 47 ways as a sum of consecutive naturals, for example, 1496225 + ... + 2208875.

It is an arithmetic number, because the mean of its divisors is an integer number (30045408320).

Almost surely, 2^{1320221610050} is an apocalyptic number.

1320221610050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320221610050 is an abundant number, since it is smaller than the sum of its proper divisors (1564137588670).

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

1320221610050 is a wasteful number, since it uses less digits than its factorization.

1320221610050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712816 (or 712811 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 1320221610050 its reverse (500161220231), we get a palindrome (1820382830281).

The spelling of 1320221610050 in words is "one trillion, three hundred twenty billion, two hundred twenty-one million, six hundred ten thousand, fifty".