10420488 has 80 divisors (see below), whose sum is σ = 31457580. Its totient is φ = 3203712.

The previous prime is 10420481. The next prime is 10420499. The reversal of 10420488 is 88402401.

It can be written as a sum of positive squares in 2 ways, for example, as 10381284 + 39204 = 3222^2 + 198^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10420481) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7806 + ... + 9042.

Almost surely, 2^10420488 is an apocalyptic number.

10420488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10420488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15728790).

10420488 is an abundant number, since it is smaller than the sum of its proper divisors (21037092).

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

10420488 is a wasteful number, since it uses less digits than its factorization.

10420488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 10420488 is about 3228.0780659705. The cubic root of 10420488 is about 218.4218188563.

Adding to 10420488 its reverse (88402401), we get a palindrome (98822889).

The spelling of 10420488 in words is "ten million, four hundred twenty thousand, four hundred eighty-eight".