1024340220 has 144 divisors (see below), whose sum is σ = 3179493408. Its totient is φ = 266872320.

The previous prime is 1024340203. The next prime is 1024340237. The reversal of 1024340220 is 220434201.

1024340220 is a `hidden beast` number, since 1 + 0 + 243 + 402 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (1024340203) and next prime (1024340237).

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 = 1024340193 and 1024340202.

It is a congruent number.

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, 1893150 + ... + 1893690.

Almost surely, 2^1024340220 is an apocalyptic number.

1024340220 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 1024340220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589746704).

1024340220 is an abundant number, since it is smaller than the sum of its proper divisors (2155153188).

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

1024340220 is a wasteful number, since it uses less digits than its factorization.

1024340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 775 counting only the distinct ones).

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

The square root of 1024340220 is about 32005.3154960235. The cubic root of 1024340220 is about 1008.0484552482.

Adding to 1024340220 its reverse (220434201), we get a palindrome (1244774421).

The spelling of 1024340220 in words is "one billion, twenty-four million, three hundred forty thousand, two hundred twenty".