102420333329 has 4 divisors (see below), whose sum is σ = 105188450484. Its totient is φ = 99652216176.

The previous prime is 102420333319. The next prime is 102420333343. The reversal of 102420333329 is 923333024201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90204115600 + 12216217729 = 300340^2 + 110527^2 .

It is a cyclic number.

It is not a de Polignac number, because 102420333329 - 2²⁴ = 102403556113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102420333295 and 102420333304.

It is not an unprimeable number, because it can be changed into a prime (102420333319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384058522 + ... + 1384058595.

It is an arithmetic number, because the mean of its divisors is an integer number (26297112621).

Almost surely, 2^102420333329 is an apocalyptic number.

It is an amenable number.

102420333329 is a deficient number, since it is larger than the sum of its proper divisors (2768117155).

102420333329 is an equidigital number, since it uses as much as digits as its factorization.

102420333329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768117154.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 102420333329 in words is "one hundred two billion, four hundred twenty million, three hundred thirty-three thousand, three hundred twenty-nine".