10245420 has 48 divisors (see below), whose sum is σ = 31876320. Its totient is φ = 2731968.

The previous prime is 10245401. The next prime is 10245421. The reversal of 10245420 is 2454201.

10245420 is a `hidden beast` number, since 1 + 0 + 245 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10245393 and 10245402.

It is not an unprimeable number, because it can be changed into a prime (10245421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8947 + ... + 10026.

It is an arithmetic number, because the mean of its divisors is an integer number (664090).

Almost surely, 2^10245420 is an apocalyptic number.

10245420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10245420 is an abundant number, since it is smaller than the sum of its proper divisors (21630900).

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

10245420 is a wasteful number, since it uses less digits than its factorization.

10245420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18991 (or 18983 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10245420 is about 3200.8467629676. The cubic root of 10245420 is about 217.1917154436.

Adding to 10245420 its reverse (2454201), we get a palindrome (12699621).

The spelling of 10245420 in words is "ten million, two hundred forty-five thousand, four hundred twenty".