1023341220 has 72 divisors (see below), whose sum is σ = 3386335680. Its totient is φ = 248082240.

The previous prime is 1023341177. The next prime is 1023341237. The reversal of 1023341220 is 221433201.

1023341220 is a `hidden beast` number, since 1 + 0 + 233 + 412 + 20 = 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 = 1023341193 and 1023341202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256440 + ... + 260399.

It is an arithmetic number, because the mean of its divisors is an integer number (47032440).

Almost surely, 2^1023341220 is an apocalyptic number.

1023341220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1023341220 is an abundant number, since it is smaller than the sum of its proper divisors (2362994460).

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

1023341220 is a wasteful number, since it uses less digits than its factorization.

1023341220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516865 (or 516860 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1023341220 is about 31989.7049064226. The cubic root of 1023341220 is about 1007.7206449039.

Adding to 1023341220 its reverse (221433201), we get a palindrome (1244774421).

It can be divided in two parts, 1023 and 341220, that added together give a palindrome (342243).

The spelling of 1023341220 in words is "one billion, twenty-three million, three hundred forty-one thousand, two hundred twenty".