102443130420 has 48 divisors (see below), whose sum is σ = 289680789888. Its totient is φ = 27047689600.

The previous prime is 102443130323. The next prime is 102443130437. The reversal of 102443130420 is 24031344201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8446344 + ... + 8458463.

It is an arithmetic number, because the mean of its divisors is an integer number (6035016456).

Almost surely, 2^102443130420 is an apocalyptic number.

102443130420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102443130420 is an abundant number, since it is smaller than the sum of its proper divisors (187237659468).

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

102443130420 is a wasteful number, since it uses less digits than its factorization.

102443130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16904920 (or 16904918 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 102443130420 its reverse (24031344201), we get a palindrome (126474474621).

The spelling of 102443130420 in words is "one hundred two billion, four hundred forty-three million, one hundred thirty thousand, four hundred twenty".