1024100420 has 24 divisors (see below), whose sum is σ = 2457841344. Its totient is φ = 351120096.

The previous prime is 1024100411. The next prime is 1024100423. The reversal of 1024100420 is 240014201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1024100395 and 1024100404.

It is not an unprimeable number, because it can be changed into a prime (1024100423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3657362 + ... + 3657641.

It is an arithmetic number, because the mean of its divisors is an integer number (102410056).

Almost surely, 2^1024100420 is an apocalyptic number.

1024100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024100420 is an abundant number, since it is smaller than the sum of its proper divisors (1433740924).

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

1024100420 is a wasteful number, since it uses less digits than its factorization.

1024100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7315019 (or 7315017 counting only the distinct ones).

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

The square root of 1024100420 is about 32001.5690240338. The cubic root of 1024100420 is about 1007.9697870868.

Adding to 1024100420 its reverse (240014201), we get a palindrome (1264114621).

The spelling of 1024100420 in words is "one billion, twenty-four million, one hundred thousand, four hundred twenty".