65103420 has 48 divisors (see below), whose sum is σ = 182841120. Its totient is φ = 17308416.

The previous prime is 65103407. The next prime is 65103427. The reversal of 65103420 is 2430156.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65103427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20926 + ... + 23834.

It is an arithmetic number, because the mean of its divisors is an integer number (3809190).

Almost surely, 2^65103420 is an apocalyptic number.

65103420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65103420 is an abundant number, since it is smaller than the sum of its proper divisors (117737700).

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

65103420 is a wasteful number, since it uses less digits than its factorization.

65103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294 (or 3292 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 65103420 is about 8068.6690352251. The cubic root of 65103420 is about 402.2857056625.

Adding to 65103420 its reverse (2430156), we get a palindrome (67533576).

The spelling of 65103420 in words is "sixty-five million, one hundred three thousand, four hundred twenty".