10420530 has 32 divisors (see below), whose sum is σ = 25099200. Its totient is φ = 2768832.

The previous prime is 10420499. The next prime is 10420537. The reversal of 10420530 is 3502401.

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

It is not an unprimeable number, because it can be changed into a prime (10420537) 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, 12156 + ... + 12984.

It is an arithmetic number, because the mean of its divisors is an integer number (784350).

Almost surely, 2^10420530 is an apocalyptic number.

10420530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10420530 is an abundant number, since it is smaller than the sum of its proper divisors (14678670).

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

10420530 is a wasteful number, since it uses less digits than its factorization.

10420530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 10420530 is about 3228.0845713829. The cubic root of 10420530 is about 218.4221123071.

Adding to 10420530 its reverse (3502401), we get a palindrome (13922931).

The spelling of 10420530 in words is "ten million, four hundred twenty thousand, five hundred thirty".