1024242220420 has 12 divisors (see below), whose sum is σ = 2150908662924. Its totient is φ = 409696888160.

The previous prime is 1024242220387. The next prime is 1024242220427. The reversal of 1024242220420 is 240222424201.

It can be written as a sum of positive squares in 2 ways, for example, as 571148993536 + 453093226884 = 755744^2 + 673122^2 .

It is not an unprimeable number, because it can be changed into a prime (1024242220427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25606055491 + ... + 25606055530.

It is an arithmetic number, because the mean of its divisors is an integer number (179242388577).

Almost surely, 2^{1024242220420} is an apocalyptic number.

1024242220420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024242220420 is an abundant number, since it is smaller than the sum of its proper divisors (1126666442504).

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

1024242220420 is a wasteful number, since it uses less digits than its factorization.

1024242220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51212111030 (or 51212111028 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 1024242220420 its reverse (240222424201), we get a palindrome (1264464644621).

The spelling of 1024242220420 in words is "one trillion, twenty-four billion, two hundred forty-two million, two hundred twenty thousand, four hundred twenty".