102324556620 has 288 divisors, whose sum is σ = 383841319680. Its totient is φ = 21692551680.

The previous prime is 102324556603. The next prime is 102324556657. The reversal of 102324556620 is 26655423201.

102324556620 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 24 + 5 + 5 + 6 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 384447 + ... + 593673.

It is an arithmetic number, because the mean of its divisors is an integer number (1332782360).

Almost surely, 2^102324556620 is an apocalyptic number.

102324556620 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 102324556620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191920659840).

102324556620 is an abundant number, since it is smaller than the sum of its proper divisors (281516763060).

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

102324556620 is a wasteful number, since it uses less digits than its factorization.

102324556620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209285 (or 209280 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 102324556620 its reverse (26655423201), we get a palindrome (128979979821).

The spelling of 102324556620 in words is "one hundred two billion, three hundred twenty-four million, five hundred fifty-six thousand, six hundred twenty".