820103342 has 8 divisors (see below), whose sum is σ = 1231248000. Its totient is φ = 409687344.

The previous prime is 820103309. The next prime is 820103359. The reversal of 820103342 is 243301028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179342 + ... + 183857.

It is an arithmetic number, because the mean of its divisors is an integer number (153906000).

Almost surely, 2^820103342 is an apocalyptic number.

820103342 is a deficient number, since it is larger than the sum of its proper divisors (411144658).

820103342 is a wasteful number, since it uses less digits than its factorization.

820103342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364330.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 820103342 is about 28637.4464992953. The cubic root of 820103342 is about 936.0294806199.

The spelling of 820103342 in words is "eight hundred twenty million, one hundred three thousand, three hundred forty-two".