10020435240 has 64 divisors (see below), whose sum is σ = 30399105600. Its totient is φ = 2642089472.

The previous prime is 10020435233. The next prime is 10020435241. The reversal of 10020435240 is 4253402001.

It is not an unprimeable number, because it can be changed into a prime (10020435241) 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, 458442 + ... + 479801.

It is an arithmetic number, because the mean of its divisors is an integer number (474986025).

Almost surely, 2^10020435240 is an apocalyptic number.

10020435240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10020435240 is an abundant number, since it is smaller than the sum of its proper divisors (20378670360).

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

10020435240 is a wasteful number, since it uses less digits than its factorization.

10020435240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938346 (or 938342 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 10020435240 its reverse (4253402001), we get a palindrome (14273837241).

The spelling of 10020435240 in words is "ten billion, twenty million, four hundred thirty-five thousand, two hundred forty".