1220140341 has 20 divisors (see below), whose sum is σ = 2083062432. Its totient is φ = 697222728.

The previous prime is 1220140321. The next prime is 1220140349. The reversal of 1220140341 is 1430410221.

1220140341 is a `hidden beast` number, since 1 + 220 + 1 + 403 + 41 = 666.

It is not a de Polignac number, because 1220140341 - 2¹⁷ = 1220009269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220140349) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1075395 + ... + 1076528.

Almost surely, 2^1220140341 is an apocalyptic number.

It is an amenable number.

1220140341 is a deficient number, since it is larger than the sum of its proper divisors (862922091).

1220140341 is an equidigital number, since it uses as much as digits as its factorization.

1220140341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151942 (or 2151933 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1220140341 is about 34930.5073109453. The cubic root of 1220140341 is about 1068.5707008541.

Adding to 1220140341 its reverse (1430410221), we get a palindrome (2650550562).

The spelling of 1220140341 in words is "one billion, two hundred twenty million, one hundred forty thousand, three hundred forty-one".