102220442430 has 32 divisors (see below), whose sum is σ = 245530734624. Its totient is φ = 27236376576.

The previous prime is 102220442399. The next prime is 102220442461. The reversal of 102220442430 is 34244022201.

It is an interprime number because it is at equal distance from previous prime (102220442399) and next prime (102220442461).

It is a self number, because there is not a number n which added to its sum of digits gives 102220442430.

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, 1363387 + ... + 1436406.

It is an arithmetic number, because the mean of its divisors is an integer number (7672835457).

Almost surely, 2^102220442430 is an apocalyptic number.

102220442430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220442430 is an abundant number, since it is smaller than the sum of its proper divisors (143310292194).

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

102220442430 is a wasteful number, since it uses less digits than its factorization.

102220442430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801020.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 102220442430 its reverse (34244022201), we get a palindrome (136464464631).

The spelling of 102220442430 in words is "one hundred two billion, two hundred twenty million, four hundred forty-two thousand, four hundred thirty".