1002210242420 has 48 divisors (see below), whose sum is σ = 2173344539520. Its totient is φ = 387968870016.

The previous prime is 1002210242401. The next prime is 1002210242447. The reversal of 1002210242420 is 242420122001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1002210242392 and 1002210242401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5251952 + ... + 5439431.

It is an arithmetic number, because the mean of its divisors is an integer number (45278011240).

Almost surely, 2^{1002210242420} is an apocalyptic number.

1002210242420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002210242420 is an abundant number, since it is smaller than the sum of its proper divisors (1171134297100).

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

1002210242420 is a wasteful number, since it uses less digits than its factorization.

1002210242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691544 (or 10691542 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1002210242420 its reverse (242420122001), we get a palindrome (1244630364421).

The spelling of 1002210242420 in words is "one trillion, two billion, two hundred ten million, two hundred forty-two thousand, four hundred twenty".