42103320 has 64 divisors (see below), whose sum is σ = 144357120. Its totient is φ = 9623424.

The previous prime is 42103309. The next prime is 42103337. The reversal of 42103320 is 2330124.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42103320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24222 + ... + 25901.

It is an arithmetic number, because the mean of its divisors is an integer number (2255580).

Almost surely, 2^42103320 is an apocalyptic number.

42103320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42103320 is an abundant number, since it is smaller than the sum of its proper divisors (102253800).

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

42103320 is a wasteful number, since it uses less digits than its factorization.

42103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50144 (or 50140 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42103320 is about 6488.7071131312. The cubic root of 42103320 is about 347.8874652644.

Adding to 42103320 its reverse (2330124), we get a palindrome (44433444).

The spelling of 42103320 in words is "forty-two million, one hundred three thousand, three hundred twenty".