102020341440 has 224 divisors, whose sum is σ = 334395933696. Its totient is φ = 26336378880.

The previous prime is 102020341427. The next prime is 102020341441. The reversal of 102020341440 is 44143020201.

It is not an unprimeable number, because it can be changed into a prime (102020341441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4653705 + ... + 4675575.

Almost surely, 2^102020341440 is an apocalyptic number.

102020341440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102020341440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167197966848).

102020341440 is an abundant number, since it is smaller than the sum of its proper divisors (232375592256).

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

102020341440 is a wasteful number, since it uses less digits than its factorization.

102020341440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22047 (or 22037 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102020341440 its reverse (44143020201), we get a palindrome (146163361641).

The spelling of 102020341440 in words is "one hundred two billion, twenty million, three hundred forty-one thousand, four hundred forty".